20055147812

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{52631}}^1$

素因数の和:53112

約数の個数: 48

約数和(自身を含む): 41499279360

約数和(自身を除く): 21444131548

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 439, 868, 878, 1756, 3073, 6146, 12292, 13609, 27218, 52631, 54436, 95263, 105262, 190526, 210524, 368417, 381052, 736834, 1473668, 1631561, 3263122, 6526244, 11420927, 22841854, 23105009, 45683708, 46210018, 92420036, 161735063, 323470126, 646940252, 716255279, 1432510558, 2865021116, 5013786953, 10027573906, 20055147812]

約数ペア:

[(1, 20055147812), (2, 10027573906), (4, 5013786953), (7, 2865021116), (14, 1432510558), (28, 716255279), (31, 646940252), (62, 323470126), (124, 161735063), (217, 92420036), (434, 46210018), (439, 45683708), (868, 23105009), (878, 22841854), (1756, 11420927), (3073, 6526244), (6146, 3263122), (12292, 1631561), (13609, 1473668), (27218, 736834), (52631, 381052), (54436, 368417), (95263, 210524), (105262, 190526)]