20121264

素因数分解:

$2^4\times 3^3\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 80

約数和(自身を含む): 59043840

約数和(自身を除く): 38922576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 54, 72, 94, 108, 141, 144, 188, 216, 282, 376, 423, 432, 564, 752, 846, 991, 1128, 1269, 1692, 1982, 2256, 2538, 2973, 3384, 3964, 5076, 5946, 6768, 7928, 8919, 10152, 11892, 15856, 17838, 20304, 23784, 26757, 35676, 46577, 47568, 53514, 71352, 93154, 107028, 139731, 142704, 186308, 214056, 279462, 372616, 419193, 428112, 558924, 745232, 838386, 1117848, 1257579, 1676772, 2235696, 2515158, 3353544, 5030316, 6707088, 10060632, 20121264]

約数ペア:

[(1, 20121264), (2, 10060632), (3, 6707088), (4, 5030316), (6, 3353544), (8, 2515158), (9, 2235696), (12, 1676772), (16, 1257579), (18, 1117848), (24, 838386), (27, 745232), (36, 558924), (47, 428112), (48, 419193), (54, 372616), (72, 279462), (94, 214056), (108, 186308), (141, 142704), (144, 139731), (188, 107028), (216, 93154), (282, 71352), (376, 53514), (423, 47568), (432, 46577), (564, 35676), (752, 26757), (846, 23784), (991, 20304), (1128, 17838), (1269, 15856), (1692, 11892), (1982, 10152), (2256, 8919), (2538, 7928), (2973, 6768), (3384, 5946), (3964, 5076)]