20033559

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 36289344

約数和(自身を除く): 16255785

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 401, 427, 549, 793, 819, 1203, 1281, 2379, 2807, 3609, 3843, 5213, 5551, 7137, 8421, 15639, 16653, 24461, 25263, 36491, 46917, 49959, 73383, 109473, 171227, 220149, 317993, 328419, 513681, 953979, 1541043, 2225951, 2861937, 6677853, 20033559]

約数ペア:

[(1, 20033559), (3, 6677853), (7, 2861937), (9, 2225951), (13, 1541043), (21, 953979), (39, 513681), (61, 328419), (63, 317993), (91, 220149), (117, 171227), (183, 109473), (273, 73383), (401, 49959), (427, 46917), (549, 36491), (793, 25263), (819, 24461), (1203, 16653), (1281, 15639), (2379, 8421), (2807, 7137), (3609, 5551), (3843, 5213)]