20447310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 55075680

約数和(自身を除く): 34628370

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 109, 111, 130, 169, 185, 195, 218, 222, 327, 338, 370, 390, 481, 507, 545, 555, 654, 845, 962, 1014, 1090, 1110, 1417, 1443, 1635, 1690, 2405, 2535, 2834, 2886, 3270, 4033, 4251, 4810, 5070, 6253, 7085, 7215, 8066, 8502, 12099, 12506, 14170, 14430, 18421, 18759, 20165, 21255, 24198, 31265, 36842, 37518, 40330, 42510, 52429, 55263, 60495, 62530, 92105, 93795, 104858, 110526, 120990, 157287, 184210, 187590, 262145, 276315, 314574, 524290, 552630, 681577, 786435, 1363154, 1572870, 2044731, 3407885, 4089462, 6815770, 10223655, 20447310]

約数ペア:

[(1, 20447310), (2, 10223655), (3, 6815770), (5, 4089462), (6, 3407885), (10, 2044731), (13, 1572870), (15, 1363154), (26, 786435), (30, 681577), (37, 552630), (39, 524290), (65, 314574), (74, 276315), (78, 262145), (109, 187590), (111, 184210), (130, 157287), (169, 120990), (185, 110526), (195, 104858), (218, 93795), (222, 92105), (327, 62530), (338, 60495), (370, 55263), (390, 52429), (481, 42510), (507, 40330), (545, 37518), (555, 36842), (654, 31265), (845, 24198), (962, 21255), (1014, 20165), (1090, 18759), (1110, 18421), (1417, 14430), (1443, 14170), (1635, 12506), (1690, 12099), (2405, 8502), (2535, 8066), (2834, 7215), (2886, 7085), (3270, 6253), (4033, 5070), (4251, 4810)]