20886944

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 27376096

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 37, 46, 52, 59, 74, 92, 104, 118, 148, 184, 208, 236, 296, 299, 368, 416, 472, 481, 592, 598, 736, 767, 851, 944, 962, 1184, 1196, 1357, 1534, 1702, 1888, 1924, 2183, 2392, 2714, 3068, 3404, 3848, 4366, 4784, 5428, 6136, 6808, 7696, 8732, 9568, 10856, 11063, 12272, 13616, 15392, 17464, 17641, 21712, 22126, 24544, 27232, 28379, 34928, 35282, 43424, 44252, 50209, 56758, 69856, 70564, 88504, 100418, 113516, 141128, 177008, 200836, 227032, 282256, 354016, 401672, 454064, 564512, 652717, 803344, 908128, 1305434, 1606688, 2610868, 5221736, 10443472, 20886944]

約数ペア:

[(1, 20886944), (2, 10443472), (4, 5221736), (8, 2610868), (13, 1606688), (16, 1305434), (23, 908128), (26, 803344), (32, 652717), (37, 564512), (46, 454064), (52, 401672), (59, 354016), (74, 282256), (92, 227032), (104, 200836), (118, 177008), (148, 141128), (184, 113516), (208, 100418), (236, 88504), (296, 70564), (299, 69856), (368, 56758), (416, 50209), (472, 44252), (481, 43424), (592, 35282), (598, 34928), (736, 28379), (767, 27232), (851, 24544), (944, 22126), (962, 21712), (1184, 17641), (1196, 17464), (1357, 15392), (1534, 13616), (1702, 12272), (1888, 11063), (1924, 10856), (2183, 9568), (2392, 8732), (2714, 7696), (3068, 6808), (3404, 6136), (3848, 5428), (4366, 4784)]