20536850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 41602248

約数和(自身を除く): 21065398

約数列:

[1, 2, 5, 10, 17, 25, 34, 37, 50, 74, 85, 170, 185, 370, 425, 629, 653, 850, 925, 1258, 1306, 1850, 3145, 3265, 6290, 6530, 11101, 15725, 16325, 22202, 24161, 31450, 32650, 48322, 55505, 111010, 120805, 241610, 277525, 410737, 555050, 604025, 821474, 1208050, 2053685, 4107370, 10268425, 20536850]

約数ペア:

[(1, 20536850), (2, 10268425), (5, 4107370), (10, 2053685), (17, 1208050), (25, 821474), (34, 604025), (37, 555050), (50, 410737), (74, 277525), (85, 241610), (170, 120805), (185, 111010), (370, 55505), (425, 48322), (629, 32650), (653, 31450), (850, 24161), (925, 22202), (1258, 16325), (1306, 15725), (1850, 11101), (3145, 6530), (3265, 6290)]