20787600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1019}}^1$

素因数の和:1057

約数の個数: 120

約数和(自身を含む): 70575840

約数和(自身を除く): 49788240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 100, 102, 120, 136, 150, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 510, 600, 680, 816, 850, 1019, 1020, 1200, 1275, 1360, 1700, 2038, 2040, 2550, 3057, 3400, 4076, 4080, 5095, 5100, 6114, 6800, 8152, 10190, 10200, 12228, 15285, 16304, 17323, 20380, 20400, 24456, 25475, 30570, 34646, 40760, 48912, 50950, 51969, 61140, 69292, 76425, 81520, 86615, 101900, 103938, 122280, 138584, 152850, 173230, 203800, 207876, 244560, 259845, 277168, 305700, 346460, 407600, 415752, 433075, 519690, 611400, 692920, 831504, 866150, 1039380, 1222800, 1299225, 1385840, 1732300, 2078760, 2598450, 3464600, 4157520, 5196900, 6929200, 10393800, 20787600]

約数ペア:

[(1, 20787600), (2, 10393800), (3, 6929200), (4, 5196900), (5, 4157520), (6, 3464600), (8, 2598450), (10, 2078760), (12, 1732300), (15, 1385840), (16, 1299225), (17, 1222800), (20, 1039380), (24, 866150), (25, 831504), (30, 692920), (34, 611400), (40, 519690), (48, 433075), (50, 415752), (51, 407600), (60, 346460), (68, 305700), (75, 277168), (80, 259845), (85, 244560), (100, 207876), (102, 203800), (120, 173230), (136, 152850), (150, 138584), (170, 122280), (200, 103938), (204, 101900), (240, 86615), (255, 81520), (272, 76425), (300, 69292), (340, 61140), (400, 51969), (408, 50950), (425, 48912), (510, 40760), (600, 34646), (680, 30570), (816, 25475), (850, 24456), (1019, 20400), (1020, 20380), (1200, 17323), (1275, 16304), (1360, 15285), (1700, 12228), (2038, 10200), (2040, 10190), (2550, 8152), (3057, 6800), (3400, 6114), (4076, 5100), (4080, 5095)]