20120369872

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{111949}}^1$

素因数の和:112243

約数の個数: 40

約数和(自身を含む): 39979584000

約数和(自身を除く): 19859214128

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 239, 376, 478, 752, 956, 1912, 3824, 11233, 22466, 44932, 89864, 111949, 179728, 223898, 447796, 895592, 1791184, 5261603, 10523206, 21046412, 26755811, 42092824, 53511622, 84185648, 107023244, 214046488, 428092976, 1257523117, 2515046234, 5030092468, 10060184936, 20120369872]

約数ペア:

[(1, 20120369872), (2, 10060184936), (4, 5030092468), (8, 2515046234), (16, 1257523117), (47, 428092976), (94, 214046488), (188, 107023244), (239, 84185648), (376, 53511622), (478, 42092824), (752, 26755811), (956, 21046412), (1912, 10523206), (3824, 5261603), (11233, 1791184), (22466, 895592), (44932, 447796), (89864, 223898), (111949, 179728)]