20476432

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{907}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 42559776

約数和(自身を除く): 22083344

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 83, 136, 166, 272, 332, 664, 907, 1328, 1411, 1814, 2822, 3628, 5644, 7256, 11288, 14512, 15419, 22576, 30838, 61676, 75281, 123352, 150562, 246704, 301124, 602248, 1204496, 1279777, 2559554, 5119108, 10238216, 20476432]

約数ペア:

[(1, 20476432), (2, 10238216), (4, 5119108), (8, 2559554), (16, 1279777), (17, 1204496), (34, 602248), (68, 301124), (83, 246704), (136, 150562), (166, 123352), (272, 75281), (332, 61676), (664, 30838), (907, 22576), (1328, 15419), (1411, 14512), (1814, 11288), (2822, 7256), (3628, 5644)]