20105800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 192

約数和(自身を含む): 59371200

約数和(自身を除く): 39265400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 25, 26, 37, 38, 40, 44, 50, 52, 55, 65, 74, 76, 88, 95, 100, 104, 110, 130, 143, 148, 152, 185, 190, 200, 209, 220, 247, 260, 275, 286, 296, 325, 370, 380, 407, 418, 440, 475, 481, 494, 520, 550, 572, 650, 703, 715, 740, 760, 814, 836, 925, 950, 962, 988, 1045, 1100, 1144, 1235, 1300, 1406, 1430, 1480, 1628, 1672, 1850, 1900, 1924, 1976, 2035, 2090, 2200, 2405, 2470, 2600, 2717, 2812, 2860, 3256, 3515, 3575, 3700, 3800, 3848, 4070, 4180, 4810, 4940, 5225, 5291, 5434, 5624, 5720, 6175, 7030, 7150, 7400, 7733, 8140, 8360, 9139, 9620, 9880, 10175, 10450, 10582, 10868, 12025, 12350, 13585, 14060, 14300, 15466, 16280, 17575, 18278, 19240, 20350, 20900, 21164, 21736, 24050, 24700, 26455, 27170, 28120, 28600, 30932, 35150, 36556, 38665, 40700, 41800, 42328, 45695, 48100, 49400, 52910, 54340, 61864, 67925, 70300, 73112, 77330, 81400, 91390, 96200, 100529, 105820, 108680, 132275, 135850, 140600, 154660, 182780, 193325, 201058, 211640, 228475, 264550, 271700, 309320, 365560, 386650, 402116, 456950, 502645, 529100, 543400, 773300, 804232, 913900, 1005290, 1058200, 1546600, 1827800, 2010580, 2513225, 4021160, 5026450, 10052900, 20105800]

約数ペア:

[(1, 20105800), (2, 10052900), (4, 5026450), (5, 4021160), (8, 2513225), (10, 2010580), (11, 1827800), (13, 1546600), (19, 1058200), (20, 1005290), (22, 913900), (25, 804232), (26, 773300), (37, 543400), (38, 529100), (40, 502645), (44, 456950), (50, 402116), (52, 386650), (55, 365560), (65, 309320), (74, 271700), (76, 264550), (88, 228475), (95, 211640), (100, 201058), (104, 193325), (110, 182780), (130, 154660), (143, 140600), (148, 135850), (152, 132275), (185, 108680), (190, 105820), (200, 100529), (209, 96200), (220, 91390), (247, 81400), (260, 77330), (275, 73112), (286, 70300), (296, 67925), (325, 61864), (370, 54340), (380, 52910), (407, 49400), (418, 48100), (440, 45695), (475, 42328), (481, 41800), (494, 40700), (520, 38665), (550, 36556), (572, 35150), (650, 30932), (703, 28600), (715, 28120), (740, 27170), (760, 26455), (814, 24700), (836, 24050), (925, 21736), (950, 21164), (962, 20900), (988, 20350), (1045, 19240), (1100, 18278), (1144, 17575), (1235, 16280), (1300, 15466), (1406, 14300), (1430, 14060), (1480, 13585), (1628, 12350), (1672, 12025), (1850, 10868), (1900, 10582), (1924, 10450), (1976, 10175), (2035, 9880), (2090, 9620), (2200, 9139), (2405, 8360), (2470, 8140), (2600, 7733), (2717, 7400), (2812, 7150), (2860, 7030), (3256, 6175), (3515, 5720), (3575, 5624), (3700, 5434), (3800, 5291), (3848, 5225), (4070, 4940), (4180, 4810)]