20397510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32377}}^1$

素因数の和:32397

約数の個数: 48

約数和(自身を含む): 60611616

約数和(自身を除く): 40214106

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32377, 64754, 97131, 161885, 194262, 226639, 291393, 323770, 453278, 485655, 582786, 679917, 971310, 1133195, 1359834, 1456965, 2039751, 2266390, 2913930, 3399585, 4079502, 6799170, 10198755, 20397510]

約数ペア:

[(1, 20397510), (2, 10198755), (3, 6799170), (5, 4079502), (6, 3399585), (7, 2913930), (9, 2266390), (10, 2039751), (14, 1456965), (15, 1359834), (18, 1133195), (21, 971310), (30, 679917), (35, 582786), (42, 485655), (45, 453278), (63, 323770), (70, 291393), (90, 226639), (105, 194262), (126, 161885), (210, 97131), (315, 64754), (630, 32377)]