20694270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40577}}^1$

素因数の和:40604

約数の個数: 32

約数和(自身を含む): 52589088

約数和(自身を除く): 31894818

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40577, 81154, 121731, 202885, 243462, 405770, 608655, 689809, 1217310, 1379618, 2069427, 3449045, 4138854, 6898090, 10347135, 20694270]

約数ペア:

[(1, 20694270), (2, 10347135), (3, 6898090), (5, 4138854), (6, 3449045), (10, 2069427), (15, 1379618), (17, 1217310), (30, 689809), (34, 608655), (51, 405770), (85, 243462), (102, 202885), (170, 121731), (255, 81154), (510, 40577)]