20007840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:662

約数の個数: 96

約数和(自身を含む): 63999936

約数和(自身を除く): 43992096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 73, 80, 96, 120, 146, 160, 219, 240, 292, 365, 438, 480, 571, 584, 730, 876, 1095, 1142, 1168, 1460, 1713, 1752, 2190, 2284, 2336, 2855, 2920, 3426, 3504, 4380, 4568, 5710, 5840, 6852, 7008, 8565, 8760, 9136, 11420, 11680, 13704, 17130, 17520, 18272, 22840, 27408, 34260, 35040, 41683, 45680, 54816, 68520, 83366, 91360, 125049, 137040, 166732, 208415, 250098, 274080, 333464, 416830, 500196, 625245, 666928, 833660, 1000392, 1250490, 1333856, 1667320, 2000784, 2500980, 3334640, 4001568, 5001960, 6669280, 10003920, 20007840]

約数ペア:

[(1, 20007840), (2, 10003920), (3, 6669280), (4, 5001960), (5, 4001568), (6, 3334640), (8, 2500980), (10, 2000784), (12, 1667320), (15, 1333856), (16, 1250490), (20, 1000392), (24, 833660), (30, 666928), (32, 625245), (40, 500196), (48, 416830), (60, 333464), (73, 274080), (80, 250098), (96, 208415), (120, 166732), (146, 137040), (160, 125049), (219, 91360), (240, 83366), (292, 68520), (365, 54816), (438, 45680), (480, 41683), (571, 35040), (584, 34260), (730, 27408), (876, 22840), (1095, 18272), (1142, 17520), (1168, 17130), (1460, 13704), (1713, 11680), (1752, 11420), (2190, 9136), (2284, 8760), (2336, 8565), (2855, 7008), (2920, 6852), (3426, 5840), (3504, 5710), (4380, 4568)]