20189401736

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{17627}}^1$

素因数の和:17934

約数の個数: 64

約数和(自身を含む): 43889489280

約数和(自身を除く): 23700087544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 181, 226, 362, 452, 724, 791, 904, 1267, 1448, 1582, 2534, 3164, 5068, 6328, 10136, 17627, 20453, 35254, 40906, 70508, 81812, 123389, 141016, 143171, 163624, 246778, 286342, 493556, 572684, 987112, 1145368, 1991851, 3190487, 3983702, 6380974, 7967404, 12761948, 13942957, 15934808, 22333409, 25523896, 27885914, 44666818, 55771828, 89333636, 111543656, 178667272, 360525031, 721050062, 1442100124, 2523675217, 2884200248, 5047350434, 10094700868, 20189401736]

約数ペア:

[(1, 20189401736), (2, 10094700868), (4, 5047350434), (7, 2884200248), (8, 2523675217), (14, 1442100124), (28, 721050062), (56, 360525031), (113, 178667272), (181, 111543656), (226, 89333636), (362, 55771828), (452, 44666818), (724, 27885914), (791, 25523896), (904, 22333409), (1267, 15934808), (1448, 13942957), (1582, 12761948), (2534, 7967404), (3164, 6380974), (5068, 3983702), (6328, 3190487), (10136, 1991851), (17627, 1145368), (20453, 987112), (35254, 572684), (40906, 493556), (70508, 286342), (81812, 246778), (123389, 163624), (141016, 143171)]