20398590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 56908800

約数和(自身を除く): 36510210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 79, 90, 95, 114, 151, 158, 171, 190, 237, 285, 302, 342, 395, 453, 474, 570, 711, 755, 790, 855, 906, 1185, 1359, 1422, 1501, 1510, 1710, 2265, 2370, 2718, 2869, 3002, 3555, 4503, 4530, 5738, 6795, 7110, 7505, 8607, 9006, 11929, 13509, 13590, 14345, 15010, 17214, 22515, 23858, 25821, 27018, 28690, 35787, 43035, 45030, 51642, 59645, 67545, 71574, 86070, 107361, 119290, 129105, 135090, 178935, 214722, 226651, 258210, 357870, 453302, 536805, 679953, 1073610, 1133255, 1359906, 2039859, 2266510, 3399765, 4079718, 6799530, 10199295, 20398590]

約数ペア:

[(1, 20398590), (2, 10199295), (3, 6799530), (5, 4079718), (6, 3399765), (9, 2266510), (10, 2039859), (15, 1359906), (18, 1133255), (19, 1073610), (30, 679953), (38, 536805), (45, 453302), (57, 357870), (79, 258210), (90, 226651), (95, 214722), (114, 178935), (151, 135090), (158, 129105), (171, 119290), (190, 107361), (237, 86070), (285, 71574), (302, 67545), (342, 59645), (395, 51642), (453, 45030), (474, 43035), (570, 35787), (711, 28690), (755, 27018), (790, 25821), (855, 23858), (906, 22515), (1185, 17214), (1359, 15010), (1422, 14345), (1501, 13590), (1510, 13509), (1710, 11929), (2265, 9006), (2370, 8607), (2718, 7505), (2869, 7110), (3002, 6795), (3555, 5738), (4503, 4530)]