20168754424

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{258919}}^1$

素因数の和:259052

約数の個数: 64

約数和(自身を含む): 46978444800

約数和(自身を除く): 26809690376

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 107, 182, 214, 364, 428, 728, 749, 856, 1391, 1498, 2782, 2996, 5564, 5992, 9737, 11128, 19474, 38948, 77896, 258919, 517838, 1035676, 1812433, 2071352, 3365947, 3624866, 6731894, 7249732, 13463788, 14499464, 23561629, 26927576, 27704333, 47123258, 55408666, 94246516, 110817332, 188493032, 193930331, 221634664, 360156329, 387860662, 720312658, 775721324, 1440625316, 1551442648, 2521094303, 2881250632, 5042188606, 10084377212, 20168754424]

約数ペア:

[(1, 20168754424), (2, 10084377212), (4, 5042188606), (7, 2881250632), (8, 2521094303), (13, 1551442648), (14, 1440625316), (26, 775721324), (28, 720312658), (52, 387860662), (56, 360156329), (91, 221634664), (104, 193930331), (107, 188493032), (182, 110817332), (214, 94246516), (364, 55408666), (428, 47123258), (728, 27704333), (749, 26927576), (856, 23561629), (1391, 14499464), (1498, 13463788), (2782, 7249732), (2996, 6731894), (5564, 3624866), (5992, 3365947), (9737, 2071352), (11128, 1812433), (19474, 1035676), (38948, 517838), (77896, 258919)]