20325396

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2659}}^1$

素因数の和:2693

約数の個数: 72

約数和(自身を含む): 59435040

約数和(自身を除く): 39109644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2659, 3822, 5318, 7644, 7977, 10636, 15954, 18613, 31908, 34567, 37226, 55839, 69134, 74452, 103701, 111678, 130291, 138268, 207402, 223356, 241969, 260582, 390873, 414804, 483938, 521164, 725907, 781746, 967876, 1451814, 1563492, 1693783, 2903628, 3387566, 5081349, 6775132, 10162698, 20325396]

約数ペア:

[(1, 20325396), (2, 10162698), (3, 6775132), (4, 5081349), (6, 3387566), (7, 2903628), (12, 1693783), (13, 1563492), (14, 1451814), (21, 967876), (26, 781746), (28, 725907), (39, 521164), (42, 483938), (49, 414804), (52, 390873), (78, 260582), (84, 241969), (91, 223356), (98, 207402), (147, 138268), (156, 130291), (182, 111678), (196, 103701), (273, 74452), (294, 69134), (364, 55839), (546, 37226), (588, 34567), (637, 31908), (1092, 18613), (1274, 15954), (1911, 10636), (2548, 7977), (2659, 7644), (3822, 5318)]