20139390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13163}}^1$

素因数の和:13193

約数の個数: 48

約数和(自身を含む): 55446768

約数和(自身を除く): 35307378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13163, 26326, 39489, 65815, 78978, 118467, 131630, 197445, 223771, 236934, 394890, 447542, 592335, 671313, 1118855, 1184670, 1342626, 2013939, 2237710, 3356565, 4027878, 6713130, 10069695, 20139390]

約数ペア:

[(1, 20139390), (2, 10069695), (3, 6713130), (5, 4027878), (6, 3356565), (9, 2237710), (10, 2013939), (15, 1342626), (17, 1184670), (18, 1118855), (30, 671313), (34, 592335), (45, 447542), (51, 394890), (85, 236934), (90, 223771), (102, 197445), (153, 131630), (170, 118467), (255, 78978), (306, 65815), (510, 39489), (765, 26326), (1530, 13163)]