20319813700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{11369}}^1$

素因数の和:11737

約数の個数: 72

約数和(自身を含む): 44973762120

約数和(自身を除く): 24653948420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 293, 305, 586, 610, 1172, 1220, 1465, 1525, 2930, 3050, 5860, 6100, 7325, 11369, 14650, 17873, 22738, 29300, 35746, 45476, 56845, 71492, 89365, 113690, 178730, 227380, 284225, 357460, 446825, 568450, 693509, 893650, 1136900, 1387018, 1787300, 2774036, 3331117, 3467545, 6662234, 6935090, 13324468, 13870180, 16655585, 17337725, 33311170, 34675450, 66622340, 69350900, 83277925, 166555850, 203198137, 333111700, 406396274, 812792548, 1015990685, 2031981370, 4063962740, 5079953425, 10159906850, 20319813700]

約数ペア:

[(1, 20319813700), (2, 10159906850), (4, 5079953425), (5, 4063962740), (10, 2031981370), (20, 1015990685), (25, 812792548), (50, 406396274), (61, 333111700), (100, 203198137), (122, 166555850), (244, 83277925), (293, 69350900), (305, 66622340), (586, 34675450), (610, 33311170), (1172, 17337725), (1220, 16655585), (1465, 13870180), (1525, 13324468), (2930, 6935090), (3050, 6662234), (5860, 3467545), (6100, 3331117), (7325, 2774036), (11369, 1787300), (14650, 1387018), (17873, 1136900), (22738, 893650), (29300, 693509), (35746, 568450), (45476, 446825), (56845, 357460), (71492, 284225), (89365, 227380), (113690, 178730)]