20956410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13697}}^1$

素因数の和:13727

約数の個数: 48

約数和(自身を含む): 57695976

約数和(自身を除く): 36739566

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13697, 27394, 41091, 68485, 82182, 123273, 136970, 205455, 232849, 246546, 410910, 465698, 616365, 698547, 1164245, 1232730, 1397094, 2095641, 2328490, 3492735, 4191282, 6985470, 10478205, 20956410]

約数ペア:

[(1, 20956410), (2, 10478205), (3, 6985470), (5, 4191282), (6, 3492735), (9, 2328490), (10, 2095641), (15, 1397094), (17, 1232730), (18, 1164245), (30, 698547), (34, 616365), (45, 465698), (51, 410910), (85, 246546), (90, 232849), (102, 205455), (153, 136970), (170, 123273), (255, 82182), (306, 68485), (510, 41091), (765, 27394), (1530, 13697)]