20195977800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{16253}}^1$

素因数の和:16400

約数の個数: 192

約数和(自身を含む): 66511368000

約数和(自身を除く): 46315390200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 109, 114, 120, 150, 152, 190, 200, 218, 228, 285, 300, 327, 380, 436, 456, 475, 545, 570, 600, 654, 760, 872, 950, 1090, 1140, 1308, 1425, 1635, 1900, 2071, 2180, 2280, 2616, 2725, 2850, 3270, 3800, 4142, 4360, 5450, 5700, 6213, 6540, 8175, 8284, 10355, 10900, 11400, 12426, 13080, 16253, 16350, 16568, 20710, 21800, 24852, 31065, 32506, 32700, 41420, 48759, 49704, 51775, 62130, 65012, 65400, 81265, 82840, 97518, 103550, 124260, 130024, 155325, 162530, 195036, 207100, 243795, 248520, 308807, 310650, 325060, 390072, 406325, 414200, 487590, 617614, 621300, 650120, 812650, 926421, 975180, 1218975, 1235228, 1242600, 1544035, 1625300, 1771577, 1852842, 1950360, 2437950, 2470456, 3088070, 3250600, 3543154, 3705684, 4632105, 4875900, 5314731, 6176140, 7086308, 7411368, 7720175, 8857885, 9264210, 9751800, 10629462, 12352280, 14172616, 15440350, 17715770, 18528420, 21258924, 23160525, 26573655, 30880700, 33659963, 35431540, 37056840, 42517848, 44289425, 46321050, 53147310, 61761400, 67319926, 70863080, 88578850, 92642100, 100979889, 106294620, 132868275, 134639852, 168299815, 177157700, 185284200, 201959778, 212589240, 265736550, 269279704, 336599630, 354315400, 403919556, 504899445, 531473100, 673199260, 807839112, 841499075, 1009798890, 1062946200, 1346398520, 1682998150, 2019597780, 2524497225, 3365996300, 4039195560, 5048994450, 6731992600, 10097988900, 20195977800]

約数ペア:

[(1, 20195977800), (2, 10097988900), (3, 6731992600), (4, 5048994450), (5, 4039195560), (6, 3365996300), (8, 2524497225), (10, 2019597780), (12, 1682998150), (15, 1346398520), (19, 1062946200), (20, 1009798890), (24, 841499075), (25, 807839112), (30, 673199260), (38, 531473100), (40, 504899445), (50, 403919556), (57, 354315400), (60, 336599630), (75, 269279704), (76, 265736550), (95, 212589240), (100, 201959778), (109, 185284200), (114, 177157700), (120, 168299815), (150, 134639852), (152, 132868275), (190, 106294620), (200, 100979889), (218, 92642100), (228, 88578850), (285, 70863080), (300, 67319926), (327, 61761400), (380, 53147310), (436, 46321050), (456, 44289425), (475, 42517848), (545, 37056840), (570, 35431540), (600, 33659963), (654, 30880700), (760, 26573655), (872, 23160525), (950, 21258924), (1090, 18528420), (1140, 17715770), (1308, 15440350), (1425, 14172616), (1635, 12352280), (1900, 10629462), (2071, 9751800), (2180, 9264210), (2280, 8857885), (2616, 7720175), (2725, 7411368), (2850, 7086308), (3270, 6176140), (3800, 5314731), (4142, 4875900), (4360, 4632105), (5450, 3705684), (5700, 3543154), (6213, 3250600), (6540, 3088070), (8175, 2470456), (8284, 2437950), (10355, 1950360), (10900, 1852842), (11400, 1771577), (12426, 1625300), (13080, 1544035), (16253, 1242600), (16350, 1235228), (16568, 1218975), (20710, 975180), (21800, 926421), (24852, 812650), (31065, 650120), (32506, 621300), (32700, 617614), (41420, 487590), (48759, 414200), (49704, 406325), (51775, 390072), (62130, 325060), (65012, 310650), (65400, 308807), (81265, 248520), (82840, 243795), (97518, 207100), (103550, 195036), (124260, 162530), (130024, 155325)]