20916600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 65888640

約数和(自身を除く): 44972040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 71, 75, 100, 120, 142, 150, 200, 213, 284, 300, 355, 426, 491, 568, 600, 710, 852, 982, 1065, 1420, 1473, 1704, 1775, 1964, 2130, 2455, 2840, 2946, 3550, 3928, 4260, 4910, 5325, 5892, 7100, 7365, 8520, 9820, 10650, 11784, 12275, 14200, 14730, 19640, 21300, 24550, 29460, 34861, 36825, 42600, 49100, 58920, 69722, 73650, 98200, 104583, 139444, 147300, 174305, 209166, 278888, 294600, 348610, 418332, 522915, 697220, 836664, 871525, 1045830, 1394440, 1743050, 2091660, 2614575, 3486100, 4183320, 5229150, 6972200, 10458300, 20916600]

約数ペア:

[(1, 20916600), (2, 10458300), (3, 6972200), (4, 5229150), (5, 4183320), (6, 3486100), (8, 2614575), (10, 2091660), (12, 1743050), (15, 1394440), (20, 1045830), (24, 871525), (25, 836664), (30, 697220), (40, 522915), (50, 418332), (60, 348610), (71, 294600), (75, 278888), (100, 209166), (120, 174305), (142, 147300), (150, 139444), (200, 104583), (213, 98200), (284, 73650), (300, 69722), (355, 58920), (426, 49100), (491, 42600), (568, 36825), (600, 34861), (710, 29460), (852, 24550), (982, 21300), (1065, 19640), (1420, 14730), (1473, 14200), (1704, 12275), (1775, 11784), (1964, 10650), (2130, 9820), (2455, 8520), (2840, 7365), (2946, 7100), (3550, 5892), (3928, 5325), (4260, 4910)]