20930704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2279

約数の個数: 40

約数和(自身を含む): 44084480

約数和(自身を除く): 23153776

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2221, 2356, 4442, 4712, 8884, 9424, 17768, 35536, 42199, 68851, 84398, 137702, 168796, 275404, 337592, 550808, 675184, 1101616, 1308169, 2616338, 5232676, 10465352, 20930704]

約数ペア:

[(1, 20930704), (2, 10465352), (4, 5232676), (8, 2616338), (16, 1308169), (19, 1101616), (31, 675184), (38, 550808), (62, 337592), (76, 275404), (124, 168796), (152, 137702), (248, 84398), (304, 68851), (496, 42199), (589, 35536), (1178, 17768), (2221, 9424), (2356, 8884), (4442, 4712)]