20962396

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 48486480

約数和(自身を除く): 27524084

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 433, 494, 532, 637, 866, 931, 988, 1274, 1729, 1732, 1862, 2548, 3031, 3458, 3724, 5629, 6062, 6916, 8227, 11258, 12103, 12124, 16454, 21217, 22516, 24206, 32908, 39403, 42434, 48412, 57589, 78806, 84868, 106951, 115178, 157612, 213902, 230356, 275821, 403123, 427804, 551642, 748657, 806246, 1103284, 1497314, 1612492, 2994628, 5240599, 10481198, 20962396]

約数ペア:

[(1, 20962396), (2, 10481198), (4, 5240599), (7, 2994628), (13, 1612492), (14, 1497314), (19, 1103284), (26, 806246), (28, 748657), (38, 551642), (49, 427804), (52, 403123), (76, 275821), (91, 230356), (98, 213902), (133, 157612), (182, 115178), (196, 106951), (247, 84868), (266, 78806), (364, 57589), (433, 48412), (494, 42434), (532, 39403), (637, 32908), (866, 24206), (931, 22516), (988, 21217), (1274, 16454), (1729, 12124), (1732, 12103), (1862, 11258), (2548, 8227), (3031, 6916), (3458, 6062), (3724, 5629)]