20199965056

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{1409}}^1\times {\mathrm{3613}}^1$

素因数の和:5067

約数の個数: 64

約数和(自身を含む): 41581238400

約数和(自身を除く): 21381273344

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1409, 1984, 2818, 3613, 3968, 5636, 7226, 11272, 14452, 22544, 28904, 43679, 45088, 57808, 87358, 90176, 112003, 115616, 174716, 180352, 224006, 231232, 349432, 448012, 462464, 698864, 896024, 1397728, 1792048, 2795456, 3584096, 5090717, 5590912, 7168192, 10181434, 14336384, 20362868, 40725736, 81451472, 157812227, 162902944, 315624454, 325805888, 631248908, 651611776, 1262497816, 2524995632, 5049991264, 10099982528, 20199965056]

約数ペア:

[(1, 20199965056), (2, 10099982528), (4, 5049991264), (8, 2524995632), (16, 1262497816), (31, 651611776), (32, 631248908), (62, 325805888), (64, 315624454), (124, 162902944), (128, 157812227), (248, 81451472), (496, 40725736), (992, 20362868), (1409, 14336384), (1984, 10181434), (2818, 7168192), (3613, 5590912), (3968, 5090717), (5636, 3584096), (7226, 2795456), (11272, 1792048), (14452, 1397728), (22544, 896024), (28904, 698864), (43679, 462464), (45088, 448012), (57808, 349432), (87358, 231232), (90176, 224006), (112003, 180352), (115616, 174716)]