16965980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 37116576

約数和(自身を除く): 20150596

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 101, 148, 185, 202, 227, 370, 404, 454, 505, 740, 908, 1010, 1135, 2020, 2270, 3737, 4540, 7474, 8399, 14948, 16798, 18685, 22927, 33596, 37370, 41995, 45854, 74740, 83990, 91708, 114635, 167980, 229270, 458540, 848299, 1696598, 3393196, 4241495, 8482990, 16965980]

約数ペア:

[(1, 16965980), (2, 8482990), (4, 4241495), (5, 3393196), (10, 1696598), (20, 848299), (37, 458540), (74, 229270), (101, 167980), (148, 114635), (185, 91708), (202, 83990), (227, 74740), (370, 45854), (404, 41995), (454, 37370), (505, 33596), (740, 22927), (908, 18685), (1010, 16798), (1135, 14948), (2020, 8399), (2270, 7474), (3737, 4540)]