20105358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1601}}^1$

素因数の和:1649

約数の個数: 64

約数和(自身を含む): 51674112

約数和(自身を除く): 31568754

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 182, 273, 299, 322, 483, 546, 598, 897, 966, 1601, 1794, 2093, 3202, 4186, 4803, 6279, 9606, 11207, 12558, 20813, 22414, 33621, 36823, 41626, 62439, 67242, 73646, 110469, 124878, 145691, 220938, 257761, 291382, 437073, 478699, 515522, 773283, 874146, 957398, 1436097, 1546566, 2872194, 3350893, 6701786, 10052679, 20105358]

約数ペア:

[(1, 20105358), (2, 10052679), (3, 6701786), (6, 3350893), (7, 2872194), (13, 1546566), (14, 1436097), (21, 957398), (23, 874146), (26, 773283), (39, 515522), (42, 478699), (46, 437073), (69, 291382), (78, 257761), (91, 220938), (138, 145691), (161, 124878), (182, 110469), (273, 73646), (299, 67242), (322, 62439), (483, 41626), (546, 36823), (598, 33621), (897, 22414), (966, 20813), (1601, 12558), (1794, 11207), (2093, 9606), (3202, 6279), (4186, 4803)]