2020199130

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131267}}^1$

素因数の和:131305

約数の個数: 80

約数和(自身を含む): 5718034080

約数和(自身を除く): 3697834950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1539, 1710, 2565, 3078, 5130, 7695, 15390, 131267, 262534, 393801, 656335, 787602, 1181403, 1312670, 1969005, 2362806, 2494073, 3544209, 3938010, 4988146, 5907015, 7088418, 7482219, 10632627, 11814030, 12470365, 14964438, 17721045, 21265254, 22446657, 24940730, 35442090, 37411095, 44893314, 53163135, 67339971, 74822190, 106326270, 112233285, 134679942, 202019913, 224466570, 336699855, 404039826, 673399710, 1010099565, 2020199130]

約数ペア:

[(1, 2020199130), (2, 1010099565), (3, 673399710), (5, 404039826), (6, 336699855), (9, 224466570), (10, 202019913), (15, 134679942), (18, 112233285), (19, 106326270), (27, 74822190), (30, 67339971), (38, 53163135), (45, 44893314), (54, 37411095), (57, 35442090), (81, 24940730), (90, 22446657), (95, 21265254), (114, 17721045), (135, 14964438), (162, 12470365), (171, 11814030), (190, 10632627), (270, 7482219), (285, 7088418), (342, 5907015), (405, 4988146), (513, 3938010), (570, 3544209), (810, 2494073), (855, 2362806), (1026, 1969005), (1539, 1312670), (1710, 1181403), (2565, 787602), (3078, 656335), (5130, 393801), (7695, 262534), (15390, 131267)]