20077072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 41272160

約数和(自身を除く): 21195088

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 211, 304, 313, 422, 626, 844, 1252, 1688, 2504, 3376, 4009, 5008, 5947, 8018, 11894, 16036, 23788, 32072, 47576, 64144, 66043, 95152, 132086, 264172, 528344, 1056688, 1254817, 2509634, 5019268, 10038536, 20077072]

約数ペア:

[(1, 20077072), (2, 10038536), (4, 5019268), (8, 2509634), (16, 1254817), (19, 1056688), (38, 528344), (76, 264172), (152, 132086), (211, 95152), (304, 66043), (313, 64144), (422, 47576), (626, 32072), (844, 23788), (1252, 16036), (1688, 11894), (2504, 8018), (3376, 5947), (4009, 5008)]