20148347840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3313873}}^1$

素因数の和:3313909

約数の個数: 56

約数和(自身を含む): 50503439760

約数和(自身を除く): 30355091920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 3313873, 6627746, 13255492, 16569365, 26510984, 33138730, 53021968, 62963587, 66277460, 106043936, 125927174, 132554920, 212087872, 251854348, 265109840, 314817935, 503708696, 530219680, 629635870, 1007417392, 1060439360, 1259271740, 2014834784, 2518543480, 4029669568, 5037086960, 10074173920, 20148347840]

約数ペア:

[(1, 20148347840), (2, 10074173920), (4, 5037086960), (5, 4029669568), (8, 2518543480), (10, 2014834784), (16, 1259271740), (19, 1060439360), (20, 1007417392), (32, 629635870), (38, 530219680), (40, 503708696), (64, 314817935), (76, 265109840), (80, 251854348), (95, 212087872), (152, 132554920), (160, 125927174), (190, 106043936), (304, 66277460), (320, 62963587), (380, 53021968), (608, 33138730), (760, 26510984), (1216, 16569365), (1520, 13255492), (3040, 6627746), (6080, 3313873)]