20098218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{569}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 47661120

約数和(自身を除く): 27562902

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 569, 609, 841, 1138, 1218, 1682, 1707, 2523, 3414, 3983, 5046, 5887, 7966, 11774, 11949, 16501, 17661, 23898, 33002, 35322, 49503, 99006, 115507, 231014, 346521, 478529, 693042, 957058, 1435587, 2871174, 3349703, 6699406, 10049109, 20098218]

約数ペア:

[(1, 20098218), (2, 10049109), (3, 6699406), (6, 3349703), (7, 2871174), (14, 1435587), (21, 957058), (29, 693042), (42, 478529), (58, 346521), (87, 231014), (174, 115507), (203, 99006), (406, 49503), (569, 35322), (609, 33002), (841, 23898), (1138, 17661), (1218, 16501), (1682, 11949), (1707, 11774), (2523, 7966), (3414, 5887), (3983, 5046)]