20735597936

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1\times {\mathrm{829}}^1$

素因数の和:1318

約数の個数: 80

約数和(自身を含む): 41892556800

約数和(自身を除く): 21156958864

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 211, 239, 248, 422, 478, 496, 829, 844, 956, 1658, 1688, 1912, 3316, 3376, 3824, 6541, 6632, 7409, 13082, 13264, 14818, 25699, 26164, 29636, 50429, 51398, 52328, 59272, 100858, 102796, 104656, 118544, 174919, 198131, 201716, 205592, 349838, 396262, 403432, 411184, 699676, 792524, 806864, 1399352, 1563299, 1585048, 2798704, 3126598, 3170096, 5422489, 6142061, 6253196, 10844978, 12284122, 12506392, 21689956, 24568244, 25012784, 41805641, 43379912, 49136488, 83611282, 86759824, 98272976, 167222564, 334445128, 668890256, 1295974871, 2591949742, 5183899484, 10367798968, 20735597936]

約数ペア:

[(1, 20735597936), (2, 10367798968), (4, 5183899484), (8, 2591949742), (16, 1295974871), (31, 668890256), (62, 334445128), (124, 167222564), (211, 98272976), (239, 86759824), (248, 83611282), (422, 49136488), (478, 43379912), (496, 41805641), (829, 25012784), (844, 24568244), (956, 21689956), (1658, 12506392), (1688, 12284122), (1912, 10844978), (3316, 6253196), (3376, 6142061), (3824, 5422489), (6541, 3170096), (6632, 3126598), (7409, 2798704), (13082, 1585048), (13264, 1563299), (14818, 1399352), (25699, 806864), (26164, 792524), (29636, 699676), (50429, 411184), (51398, 403432), (52328, 396262), (59272, 349838), (100858, 205592), (102796, 201716), (104656, 198131), (118544, 174919)]