20430510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 52427520

約数和(自身を除く): 31997010

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 190, 219, 285, 365, 438, 491, 570, 730, 982, 1095, 1387, 1473, 2190, 2455, 2774, 2946, 4161, 4910, 6935, 7365, 8322, 9329, 13870, 14730, 18658, 20805, 27987, 35843, 41610, 46645, 55974, 71686, 93290, 107529, 139935, 179215, 215058, 279870, 358430, 537645, 681017, 1075290, 1362034, 2043051, 3405085, 4086102, 6810170, 10215255, 20430510]

約数ペア:

[(1, 20430510), (2, 10215255), (3, 6810170), (5, 4086102), (6, 3405085), (10, 2043051), (15, 1362034), (19, 1075290), (30, 681017), (38, 537645), (57, 358430), (73, 279870), (95, 215058), (114, 179215), (146, 139935), (190, 107529), (219, 93290), (285, 71686), (365, 55974), (438, 46645), (491, 41610), (570, 35843), (730, 27987), (982, 20805), (1095, 18658), (1387, 14730), (1473, 13870), (2190, 9329), (2455, 8322), (2774, 7365), (2946, 6935), (4161, 4910)]