16630420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 37911888

約数和(自身を除く): 21281468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1193, 1394, 2386, 2788, 3485, 4772, 5965, 6970, 11930, 13940, 20281, 23860, 40562, 48913, 81124, 97826, 101405, 195652, 202810, 244565, 405620, 489130, 831521, 978260, 1663042, 3326084, 4157605, 8315210, 16630420]

約数ペア:

[(1, 16630420), (2, 8315210), (4, 4157605), (5, 3326084), (10, 1663042), (17, 978260), (20, 831521), (34, 489130), (41, 405620), (68, 244565), (82, 202810), (85, 195652), (164, 101405), (170, 97826), (205, 81124), (340, 48913), (410, 40562), (697, 23860), (820, 20281), (1193, 13940), (1394, 11930), (2386, 6970), (2788, 5965), (3485, 4772)]