20853826474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{1321}}^1$

素因数の和:1687

約数の個数: 64

約数和(自身を含む): 35259960960

約数和(自身を除く): 14406134486

約数列:

[1, 2, 13, 26, 41, 59, 82, 118, 251, 502, 533, 767, 1066, 1321, 1534, 2419, 2642, 3263, 4838, 6526, 10291, 14809, 17173, 20582, 29618, 31447, 34346, 54161, 62894, 77939, 108322, 133783, 155878, 192517, 267566, 331571, 385034, 607169, 663142, 704093, 1013207, 1214338, 1408186, 2026414, 3195499, 4310423, 6390998, 7893197, 8620846, 13594411, 15786394, 19562689, 27188822, 39125378, 41541487, 83082974, 176727343, 254314957, 353454686, 508629914, 802070249, 1604140498, 10426913237, 20853826474]

約数ペア:

[(1, 20853826474), (2, 10426913237), (13, 1604140498), (26, 802070249), (41, 508629914), (59, 353454686), (82, 254314957), (118, 176727343), (251, 83082974), (502, 41541487), (533, 39125378), (767, 27188822), (1066, 19562689), (1321, 15786394), (1534, 13594411), (2419, 8620846), (2642, 7893197), (3263, 6390998), (4838, 4310423), (6526, 3195499), (10291, 2026414), (14809, 1408186), (17173, 1214338), (20582, 1013207), (29618, 704093), (31447, 663142), (34346, 607169), (54161, 385034), (62894, 331571), (77939, 267566), (108322, 192517), (133783, 155878)]