16662980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 36139824

約数和(自身を除く): 19476844

約数列:

[1, 2, 4, 5, 10, 20, 73, 101, 113, 146, 202, 226, 292, 365, 404, 452, 505, 565, 730, 1010, 1130, 1460, 2020, 2260, 7373, 8249, 11413, 14746, 16498, 22826, 29492, 32996, 36865, 41245, 45652, 57065, 73730, 82490, 114130, 147460, 164980, 228260, 833149, 1666298, 3332596, 4165745, 8331490, 16662980]

約数ペア:

[(1, 16662980), (2, 8331490), (4, 4165745), (5, 3332596), (10, 1666298), (20, 833149), (73, 228260), (101, 164980), (113, 147460), (146, 114130), (202, 82490), (226, 73730), (292, 57065), (365, 45652), (404, 41245), (452, 36865), (505, 32996), (565, 29492), (730, 22826), (1010, 16498), (1130, 14746), (1460, 11413), (2020, 8249), (2260, 7373)]