20256704

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 56

約数和(自身を含む): 43909488

約数和(自身を除く): 23652784

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 194, 208, 251, 388, 416, 502, 776, 832, 1004, 1261, 1552, 2008, 2522, 3104, 3263, 4016, 5044, 6208, 6526, 8032, 10088, 13052, 16064, 20176, 24347, 26104, 40352, 48694, 52208, 80704, 97388, 104416, 194776, 208832, 316511, 389552, 633022, 779104, 1266044, 1558208, 2532088, 5064176, 10128352, 20256704]

約数ペア:

[(1, 20256704), (2, 10128352), (4, 5064176), (8, 2532088), (13, 1558208), (16, 1266044), (26, 779104), (32, 633022), (52, 389552), (64, 316511), (97, 208832), (104, 194776), (194, 104416), (208, 97388), (251, 80704), (388, 52208), (416, 48694), (502, 40352), (776, 26104), (832, 24347), (1004, 20176), (1261, 16064), (1552, 13052), (2008, 10088), (2522, 8032), (3104, 6526), (3263, 6208), (4016, 5044)]