20880147154

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{29191}}^1$

素因数の和:29446

約数の個数: 32

約数和(自身を含む): 32956600320

約数和(自身を除く): 12076453166

約数列:

[1, 2, 31, 62, 83, 139, 166, 278, 2573, 4309, 5146, 8618, 11537, 23074, 29191, 58382, 357647, 715294, 904921, 1809842, 2422853, 4057549, 4845706, 8115098, 75108443, 125784019, 150216886, 251568038, 336776567, 673553134, 10440073577, 20880147154]

約数ペア:

[(1, 20880147154), (2, 10440073577), (31, 673553134), (62, 336776567), (83, 251568038), (139, 150216886), (166, 125784019), (278, 75108443), (2573, 8115098), (4309, 4845706), (5146, 4057549), (8618, 2422853), (11537, 1809842), (23074, 904921), (29191, 715294), (58382, 357647)]