20223684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 55852160

約数和(自身を除く): 35628476

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 547, 711, 948, 1027, 1094, 1422, 1641, 2054, 2188, 2844, 3081, 3282, 4108, 4923, 6162, 6564, 7111, 9243, 9846, 12324, 14222, 18486, 19692, 21333, 28444, 36972, 42666, 43213, 63999, 85332, 86426, 127998, 129639, 172852, 255996, 259278, 388917, 518556, 561769, 777834, 1123538, 1555668, 1685307, 2247076, 3370614, 5055921, 6741228, 10111842, 20223684]

約数ペア:

[(1, 20223684), (2, 10111842), (3, 6741228), (4, 5055921), (6, 3370614), (9, 2247076), (12, 1685307), (13, 1555668), (18, 1123538), (26, 777834), (36, 561769), (39, 518556), (52, 388917), (78, 259278), (79, 255996), (117, 172852), (156, 129639), (158, 127998), (234, 86426), (237, 85332), (316, 63999), (468, 43213), (474, 42666), (547, 36972), (711, 28444), (948, 21333), (1027, 19692), (1094, 18486), (1422, 14222), (1641, 12324), (2054, 9846), (2188, 9243), (2844, 7111), (3081, 6564), (3282, 6162), (4108, 4923)]