20511630

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 57867264

約数和(自身を除く): 37355634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 207, 230, 243, 270, 345, 367, 405, 414, 486, 621, 690, 734, 810, 1035, 1101, 1215, 1242, 1835, 1863, 2070, 2202, 2430, 3105, 3303, 3670, 3726, 5505, 5589, 6210, 6606, 8441, 9315, 9909, 11010, 11178, 16515, 16882, 18630, 19818, 25323, 27945, 29727, 33030, 42205, 49545, 50646, 55890, 59454, 75969, 84410, 89181, 99090, 126615, 148635, 151938, 178362, 227907, 253230, 297270, 379845, 445905, 455814, 683721, 759690, 891810, 1139535, 1367442, 2051163, 2279070, 3418605, 4102326, 6837210, 10255815, 20511630]

約数ペア:

[(1, 20511630), (2, 10255815), (3, 6837210), (5, 4102326), (6, 3418605), (9, 2279070), (10, 2051163), (15, 1367442), (18, 1139535), (23, 891810), (27, 759690), (30, 683721), (45, 455814), (46, 445905), (54, 379845), (69, 297270), (81, 253230), (90, 227907), (115, 178362), (135, 151938), (138, 148635), (162, 126615), (207, 99090), (230, 89181), (243, 84410), (270, 75969), (345, 59454), (367, 55890), (405, 50646), (414, 49545), (486, 42205), (621, 33030), (690, 29727), (734, 27945), (810, 25323), (1035, 19818), (1101, 18630), (1215, 16882), (1242, 16515), (1835, 11178), (1863, 11010), (2070, 9909), (2202, 9315), (2430, 8441), (3105, 6606), (3303, 6210), (3670, 5589), (3726, 5505)]