20362797

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 38648064

約数和(自身を除く): 18285267

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 47, 63, 69, 91, 117, 141, 161, 207, 273, 299, 329, 423, 483, 529, 611, 819, 897, 987, 1081, 1449, 1587, 1833, 2093, 2691, 2961, 3243, 3703, 4277, 4761, 5499, 6279, 6877, 7567, 9729, 11109, 12831, 14053, 18837, 20631, 22701, 24863, 33327, 38493, 42159, 48139, 61893, 68103, 74589, 98371, 126477, 144417, 174041, 223767, 295113, 323219, 433251, 522123, 885339, 969657, 1566369, 2262533, 2908971, 6787599, 20362797]

約数ペア:

[(1, 20362797), (3, 6787599), (7, 2908971), (9, 2262533), (13, 1566369), (21, 969657), (23, 885339), (39, 522123), (47, 433251), (63, 323219), (69, 295113), (91, 223767), (117, 174041), (141, 144417), (161, 126477), (207, 98371), (273, 74589), (299, 68103), (329, 61893), (423, 48139), (483, 42159), (529, 38493), (611, 33327), (819, 24863), (897, 22701), (987, 20631), (1081, 18837), (1449, 14053), (1587, 12831), (1833, 11109), (2093, 9729), (2691, 7567), (2961, 6877), (3243, 6279), (3703, 5499), (4277, 4761)]