20260460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 50561280

約数和(自身を除く): 30300820

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 55, 74, 76, 95, 110, 131, 148, 185, 190, 209, 220, 262, 370, 380, 407, 418, 524, 655, 703, 740, 814, 836, 1045, 1310, 1406, 1441, 1628, 2035, 2090, 2489, 2620, 2812, 2882, 3515, 4070, 4180, 4847, 4978, 5764, 7030, 7205, 7733, 8140, 9694, 9956, 12445, 14060, 14410, 15466, 19388, 24235, 24890, 27379, 28820, 30932, 38665, 48470, 49780, 53317, 54758, 77330, 92093, 96940, 106634, 109516, 136895, 154660, 184186, 213268, 266585, 273790, 368372, 460465, 533170, 547580, 920930, 1013023, 1066340, 1841860, 2026046, 4052092, 5065115, 10130230, 20260460]

約数ペア:

[(1, 20260460), (2, 10130230), (4, 5065115), (5, 4052092), (10, 2026046), (11, 1841860), (19, 1066340), (20, 1013023), (22, 920930), (37, 547580), (38, 533170), (44, 460465), (55, 368372), (74, 273790), (76, 266585), (95, 213268), (110, 184186), (131, 154660), (148, 136895), (185, 109516), (190, 106634), (209, 96940), (220, 92093), (262, 77330), (370, 54758), (380, 53317), (407, 49780), (418, 48470), (524, 38665), (655, 30932), (703, 28820), (740, 27379), (814, 24890), (836, 24235), (1045, 19388), (1310, 15466), (1406, 14410), (1441, 14060), (1628, 12445), (2035, 9956), (2090, 9694), (2489, 8140), (2620, 7733), (2812, 7205), (2882, 7030), (3515, 5764), (4070, 4978), (4180, 4847)]