20358180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6653}}^1$

素因数の和:6685

約数の個数: 72

約数和(自身を含む): 65395512

約数和(自身を除く): 45037332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6653, 13306, 19959, 26612, 33265, 39918, 59877, 66530, 79836, 99795, 113101, 119754, 133060, 199590, 226202, 239508, 299385, 339303, 399180, 452404, 565505, 598770, 678606, 1017909, 1131010, 1197540, 1357212, 1696515, 2035818, 2262020, 3393030, 4071636, 5089545, 6786060, 10179090, 20358180]

約数ペア:

[(1, 20358180), (2, 10179090), (3, 6786060), (4, 5089545), (5, 4071636), (6, 3393030), (9, 2262020), (10, 2035818), (12, 1696515), (15, 1357212), (17, 1197540), (18, 1131010), (20, 1017909), (30, 678606), (34, 598770), (36, 565505), (45, 452404), (51, 399180), (60, 339303), (68, 299385), (85, 239508), (90, 226202), (102, 199590), (153, 133060), (170, 119754), (180, 113101), (204, 99795), (255, 79836), (306, 66530), (340, 59877), (510, 39918), (612, 33265), (765, 26612), (1020, 19959), (1530, 13306), (3060, 6653)]