20687724

素因数分解:

$2^2\times 3^4\times {\mathrm{67}}^1\times {\mathrm{953}}^1$

素因数の和:1036

約数の個数: 60

約数和(自身を含む): 54946584

約数和(自身を除く): 34258860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 268, 324, 402, 603, 804, 953, 1206, 1809, 1906, 2412, 2859, 3618, 3812, 5427, 5718, 7236, 8577, 10854, 11436, 17154, 21708, 25731, 34308, 51462, 63851, 77193, 102924, 127702, 154386, 191553, 255404, 308772, 383106, 574659, 766212, 1149318, 1723977, 2298636, 3447954, 5171931, 6895908, 10343862, 20687724]

約数ペア:

[(1, 20687724), (2, 10343862), (3, 6895908), (4, 5171931), (6, 3447954), (9, 2298636), (12, 1723977), (18, 1149318), (27, 766212), (36, 574659), (54, 383106), (67, 308772), (81, 255404), (108, 191553), (134, 154386), (162, 127702), (201, 102924), (268, 77193), (324, 63851), (402, 51462), (603, 34308), (804, 25731), (953, 21708), (1206, 17154), (1809, 11436), (1906, 10854), (2412, 8577), (2859, 7236), (3618, 5718), (3812, 5427)]