20599800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 192

約数和(自身を含む): 72912000

約数和(自身を除く): 52312200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 25, 26, 30, 38, 39, 40, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 104, 114, 120, 130, 139, 150, 152, 156, 190, 195, 200, 228, 247, 260, 278, 285, 300, 312, 325, 380, 390, 417, 456, 475, 494, 520, 556, 570, 600, 650, 695, 741, 760, 780, 834, 950, 975, 988, 1112, 1140, 1235, 1300, 1390, 1425, 1482, 1560, 1668, 1807, 1900, 1950, 1976, 2085, 2280, 2470, 2600, 2641, 2780, 2850, 2964, 3336, 3475, 3614, 3705, 3800, 3900, 4170, 4940, 5282, 5421, 5560, 5700, 5928, 6175, 6950, 7228, 7410, 7800, 7923, 8340, 9035, 9880, 10425, 10564, 10842, 11400, 12350, 13205, 13900, 14456, 14820, 15846, 16680, 18070, 18525, 20850, 21128, 21684, 24700, 26410, 27105, 27800, 29640, 31692, 34333, 36140, 37050, 39615, 41700, 43368, 45175, 49400, 52820, 54210, 63384, 66025, 68666, 72280, 74100, 79230, 83400, 90350, 102999, 105640, 108420, 132050, 135525, 137332, 148200, 158460, 171665, 180700, 198075, 205998, 216840, 264100, 271050, 274664, 316920, 343330, 361400, 396150, 411996, 514995, 528200, 542100, 686660, 792300, 823992, 858325, 1029990, 1084200, 1373320, 1584600, 1716650, 2059980, 2574975, 3433300, 4119960, 5149950, 6866600, 10299900, 20599800]

約数ペア:

[(1, 20599800), (2, 10299900), (3, 6866600), (4, 5149950), (5, 4119960), (6, 3433300), (8, 2574975), (10, 2059980), (12, 1716650), (13, 1584600), (15, 1373320), (19, 1084200), (20, 1029990), (24, 858325), (25, 823992), (26, 792300), (30, 686660), (38, 542100), (39, 528200), (40, 514995), (50, 411996), (52, 396150), (57, 361400), (60, 343330), (65, 316920), (75, 274664), (76, 271050), (78, 264100), (95, 216840), (100, 205998), (104, 198075), (114, 180700), (120, 171665), (130, 158460), (139, 148200), (150, 137332), (152, 135525), (156, 132050), (190, 108420), (195, 105640), (200, 102999), (228, 90350), (247, 83400), (260, 79230), (278, 74100), (285, 72280), (300, 68666), (312, 66025), (325, 63384), (380, 54210), (390, 52820), (417, 49400), (456, 45175), (475, 43368), (494, 41700), (520, 39615), (556, 37050), (570, 36140), (600, 34333), (650, 31692), (695, 29640), (741, 27800), (760, 27105), (780, 26410), (834, 24700), (950, 21684), (975, 21128), (988, 20850), (1112, 18525), (1140, 18070), (1235, 16680), (1300, 15846), (1390, 14820), (1425, 14456), (1482, 13900), (1560, 13205), (1668, 12350), (1807, 11400), (1900, 10842), (1950, 10564), (1976, 10425), (2085, 9880), (2280, 9035), (2470, 8340), (2600, 7923), (2641, 7800), (2780, 7410), (2850, 7228), (2964, 6950), (3336, 6175), (3475, 5928), (3614, 5700), (3705, 5560), (3800, 5421), (3900, 5282), (4170, 4940)]