20515992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4211}}^1$

素因数の和:4256

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 40136808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4211, 4872, 8422, 12633, 16844, 25266, 29477, 33688, 50532, 58954, 88431, 101064, 117908, 122119, 176862, 235816, 244238, 353724, 366357, 488476, 707448, 732714, 854833, 976952, 1465428, 1709666, 2564499, 2930856, 3419332, 5128998, 6838664, 10257996, 20515992]

約数ペア:

[(1, 20515992), (2, 10257996), (3, 6838664), (4, 5128998), (6, 3419332), (7, 2930856), (8, 2564499), (12, 1709666), (14, 1465428), (21, 976952), (24, 854833), (28, 732714), (29, 707448), (42, 488476), (56, 366357), (58, 353724), (84, 244238), (87, 235816), (116, 176862), (168, 122119), (174, 117908), (203, 101064), (232, 88431), (348, 58954), (406, 50532), (609, 33688), (696, 29477), (812, 25266), (1218, 16844), (1624, 12633), (2436, 8422), (4211, 4872)]