20623432

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 40273920

約数和(自身を除く): 19650488

約数列:

[1, 2, 4, 8, 31, 62, 124, 137, 248, 274, 548, 607, 1096, 1214, 2428, 4247, 4856, 8494, 16988, 18817, 33976, 37634, 75268, 83159, 150536, 166318, 332636, 665272, 2577929, 5155858, 10311716, 20623432]

約数ペア:

[(1, 20623432), (2, 10311716), (4, 5155858), (8, 2577929), (31, 665272), (62, 332636), (124, 166318), (137, 150536), (248, 83159), (274, 75268), (548, 37634), (607, 33976), (1096, 18817), (1214, 16988), (2428, 8494), (4247, 4856)]