20148479936

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{249659}}^1$

素因数の和:249781

約数の個数: 56

約数和(自身を含む): 43501757040

約数和(自身を除く): 23353277104

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 194, 208, 388, 416, 776, 832, 1261, 1552, 2522, 3104, 5044, 6208, 10088, 20176, 40352, 80704, 249659, 499318, 998636, 1997272, 3245567, 3994544, 6491134, 7989088, 12982268, 15978176, 24216923, 25964536, 48433846, 51929072, 96867692, 103858144, 193735384, 207716288, 314819999, 387470768, 629639998, 774941536, 1259279996, 1549883072, 2518559992, 5037119984, 10074239968, 20148479936]

約数ペア:

[(1, 20148479936), (2, 10074239968), (4, 5037119984), (8, 2518559992), (13, 1549883072), (16, 1259279996), (26, 774941536), (32, 629639998), (52, 387470768), (64, 314819999), (97, 207716288), (104, 193735384), (194, 103858144), (208, 96867692), (388, 51929072), (416, 48433846), (776, 25964536), (832, 24216923), (1261, 15978176), (1552, 12982268), (2522, 7989088), (3104, 6491134), (5044, 3994544), (6208, 3245567), (10088, 1997272), (20176, 998636), (40352, 499318), (80704, 249659)]