20843784

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^2\times {\mathrm{571}}^1$

素因数の和:612

約数の個数: 96

約数和(自身を含む): 62805600

約数和(自身を除く): 41961816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 169, 216, 234, 312, 338, 351, 468, 507, 571, 676, 702, 936, 1014, 1142, 1352, 1404, 1521, 1713, 2028, 2284, 2808, 3042, 3426, 4056, 4563, 4568, 5139, 6084, 6852, 7423, 9126, 10278, 12168, 13704, 14846, 15417, 18252, 20556, 22269, 29692, 30834, 36504, 41112, 44538, 59384, 61668, 66807, 89076, 96499, 123336, 133614, 178152, 192998, 200421, 267228, 289497, 385996, 400842, 534456, 578994, 771992, 801684, 868491, 1157988, 1603368, 1736982, 2315976, 2605473, 3473964, 5210946, 6947928, 10421892, 20843784]

約数ペア:

[(1, 20843784), (2, 10421892), (3, 6947928), (4, 5210946), (6, 3473964), (8, 2605473), (9, 2315976), (12, 1736982), (13, 1603368), (18, 1157988), (24, 868491), (26, 801684), (27, 771992), (36, 578994), (39, 534456), (52, 400842), (54, 385996), (72, 289497), (78, 267228), (104, 200421), (108, 192998), (117, 178152), (156, 133614), (169, 123336), (216, 96499), (234, 89076), (312, 66807), (338, 61668), (351, 59384), (468, 44538), (507, 41112), (571, 36504), (676, 30834), (702, 29692), (936, 22269), (1014, 20556), (1142, 18252), (1352, 15417), (1404, 14846), (1521, 13704), (1713, 12168), (2028, 10278), (2284, 9126), (2808, 7423), (3042, 6852), (3426, 6084), (4056, 5139), (4563, 4568)]