20176769988

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2341}}^1\times {\mathrm{7723}}^1$

素因数の和:10105

約数の個数: 72

約数和(自身を含む): 52676938496

約数和(自身を除く): 32500168508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 2341, 4682, 7023, 7723, 9364, 14046, 15446, 21069, 23169, 28092, 30892, 42138, 46338, 69507, 72571, 84276, 92676, 139014, 145142, 217713, 239413, 278028, 290284, 435426, 478826, 653139, 718239, 870852, 957652, 1306278, 1436478, 2154717, 2612556, 2872956, 4309434, 8618868, 18079543, 36159086, 54238629, 72318172, 108477258, 162715887, 216954516, 325431774, 560465833, 650863548, 1120931666, 1681397499, 2241863332, 3362794998, 5044192497, 6725589996, 10088384994, 20176769988]

約数ペア:

[(1, 20176769988), (2, 10088384994), (3, 6725589996), (4, 5044192497), (6, 3362794998), (9, 2241863332), (12, 1681397499), (18, 1120931666), (31, 650863548), (36, 560465833), (62, 325431774), (93, 216954516), (124, 162715887), (186, 108477258), (279, 72318172), (372, 54238629), (558, 36159086), (1116, 18079543), (2341, 8618868), (4682, 4309434), (7023, 2872956), (7723, 2612556), (9364, 2154717), (14046, 1436478), (15446, 1306278), (21069, 957652), (23169, 870852), (28092, 718239), (30892, 653139), (42138, 478826), (46338, 435426), (69507, 290284), (72571, 278028), (84276, 239413), (92676, 217713), (139014, 145142)]