23271980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{68447}}^1$

素因数の和:68473

約数の個数: 24

約数和(自身を含む): 51746688

約数和(自身を除く): 28474708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 68447, 136894, 273788, 342235, 684470, 1163599, 1368940, 2327198, 4654396, 5817995, 11635990, 23271980]

約数ペア:

[(1, 23271980), (2, 11635990), (4, 5817995), (5, 4654396), (10, 2327198), (17, 1368940), (20, 1163599), (34, 684470), (68, 342235), (85, 273788), (170, 136894), (340, 68447)]