20193326065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{8539}}^1$

素因数の和:8678

約数の個数: 64

約数和(自身を含む): 29120716800

約数和(自身を除く): 8927390735

約数列:

[1, 5, 11, 19, 31, 55, 73, 95, 155, 209, 341, 365, 589, 803, 1045, 1387, 1705, 2263, 2945, 4015, 6479, 6935, 8539, 11315, 15257, 24893, 32395, 42695, 42997, 76285, 93929, 124465, 162241, 214985, 264709, 469645, 472967, 623347, 811205, 1323545, 1784651, 2364835, 2911799, 3116735, 5029471, 6856817, 8923255, 11843593, 14558995, 19323757, 25147355, 34284085, 55324181, 59217965, 96618785, 130279523, 212561327, 276620905, 367151383, 651397615, 1062806635, 1835756915, 4038665213, 20193326065]

約数ペア:

[(1, 20193326065), (5, 4038665213), (11, 1835756915), (19, 1062806635), (31, 651397615), (55, 367151383), (73, 276620905), (95, 212561327), (155, 130279523), (209, 96618785), (341, 59217965), (365, 55324181), (589, 34284085), (803, 25147355), (1045, 19323757), (1387, 14558995), (1705, 11843593), (2263, 8923255), (2945, 6856817), (4015, 5029471), (6479, 3116735), (6935, 2911799), (8539, 2364835), (11315, 1784651), (15257, 1323545), (24893, 811205), (32395, 623347), (42695, 472967), (42997, 469645), (76285, 264709), (93929, 214985), (124465, 162241)]