20800530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1879}}^1$

素因数の和:1936

約数の個数: 64

約数和(自身を含む): 56851200

約数和(自身を除く): 36050670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 82, 90, 123, 135, 205, 246, 270, 369, 410, 615, 738, 1107, 1230, 1845, 1879, 2214, 3690, 3758, 5535, 5637, 9395, 11070, 11274, 16911, 18790, 28185, 33822, 50733, 56370, 77039, 84555, 101466, 154078, 169110, 231117, 253665, 385195, 462234, 507330, 693351, 770390, 1155585, 1386702, 2080053, 2311170, 3466755, 4160106, 6933510, 10400265, 20800530]

約数ペア:

[(1, 20800530), (2, 10400265), (3, 6933510), (5, 4160106), (6, 3466755), (9, 2311170), (10, 2080053), (15, 1386702), (18, 1155585), (27, 770390), (30, 693351), (41, 507330), (45, 462234), (54, 385195), (82, 253665), (90, 231117), (123, 169110), (135, 154078), (205, 101466), (246, 84555), (270, 77039), (369, 56370), (410, 50733), (615, 33822), (738, 28185), (1107, 18790), (1230, 16911), (1845, 11274), (1879, 11070), (2214, 9395), (3690, 5637), (3758, 5535)]