20457596

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 39989376

約数和(自身を除く): 19531780

約数列:

[1, 2, 4, 17, 34, 37, 47, 68, 74, 94, 148, 173, 188, 346, 629, 692, 799, 1258, 1598, 1739, 2516, 2941, 3196, 3478, 5882, 6401, 6956, 8131, 11764, 12802, 16262, 25604, 29563, 32524, 59126, 108817, 118252, 138227, 217634, 276454, 300847, 435268, 552908, 601694, 1203388, 5114399, 10228798, 20457596]

約数ペア:

[(1, 20457596), (2, 10228798), (4, 5114399), (17, 1203388), (34, 601694), (37, 552908), (47, 435268), (68, 300847), (74, 276454), (94, 217634), (148, 138227), (173, 118252), (188, 108817), (346, 59126), (629, 32524), (692, 29563), (799, 25604), (1258, 16262), (1598, 12802), (1739, 11764), (2516, 8131), (2941, 6956), (3196, 6401), (3478, 5882)]