20934420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26839}}^1$

素因数の和:26864

約数の個数: 48

約数和(自身を含む): 63127680

約数和(自身を除く): 42193260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 26839, 53678, 80517, 107356, 134195, 161034, 268390, 322068, 348907, 402585, 536780, 697814, 805170, 1046721, 1395628, 1610340, 1744535, 2093442, 3489070, 4186884, 5233605, 6978140, 10467210, 20934420]

約数ペア:

[(1, 20934420), (2, 10467210), (3, 6978140), (4, 5233605), (5, 4186884), (6, 3489070), (10, 2093442), (12, 1744535), (13, 1610340), (15, 1395628), (20, 1046721), (26, 805170), (30, 697814), (39, 536780), (52, 402585), (60, 348907), (65, 322068), (78, 268390), (130, 161034), (156, 134195), (195, 107356), (260, 80517), (390, 53678), (780, 26839)]