20504550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 60299712

約数和(自身を除く): 39795162

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 25, 30, 33, 34, 43, 50, 51, 55, 66, 75, 85, 86, 102, 110, 129, 150, 165, 170, 187, 215, 255, 258, 275, 289, 330, 374, 425, 430, 473, 510, 550, 561, 578, 645, 731, 825, 850, 867, 935, 946, 1075, 1122, 1275, 1290, 1419, 1445, 1462, 1650, 1734, 1870, 2150, 2193, 2365, 2550, 2805, 2838, 2890, 3179, 3225, 3655, 4335, 4386, 4675, 4730, 5610, 6358, 6450, 7095, 7225, 7310, 8041, 8670, 9350, 9537, 10965, 11825, 12427, 14025, 14190, 14450, 15895, 16082, 18275, 19074, 21675, 21930, 23650, 24123, 24854, 28050, 31790, 35475, 36550, 37281, 40205, 43350, 47685, 48246, 54825, 62135, 70950, 74562, 79475, 80410, 95370, 109650, 120615, 124270, 136697, 158950, 186405, 201025, 238425, 241230, 273394, 310675, 372810, 402050, 410091, 476850, 603075, 621350, 683485, 820182, 932025, 1206150, 1366970, 1864050, 2050455, 3417425, 4100910, 6834850, 10252275, 20504550]

約数ペア:

[(1, 20504550), (2, 10252275), (3, 6834850), (5, 4100910), (6, 3417425), (10, 2050455), (11, 1864050), (15, 1366970), (17, 1206150), (22, 932025), (25, 820182), (30, 683485), (33, 621350), (34, 603075), (43, 476850), (50, 410091), (51, 402050), (55, 372810), (66, 310675), (75, 273394), (85, 241230), (86, 238425), (102, 201025), (110, 186405), (129, 158950), (150, 136697), (165, 124270), (170, 120615), (187, 109650), (215, 95370), (255, 80410), (258, 79475), (275, 74562), (289, 70950), (330, 62135), (374, 54825), (425, 48246), (430, 47685), (473, 43350), (510, 40205), (550, 37281), (561, 36550), (578, 35475), (645, 31790), (731, 28050), (825, 24854), (850, 24123), (867, 23650), (935, 21930), (946, 21675), (1075, 19074), (1122, 18275), (1275, 16082), (1290, 15895), (1419, 14450), (1445, 14190), (1462, 14025), (1650, 12427), (1734, 11825), (1870, 10965), (2150, 9537), (2193, 9350), (2365, 8670), (2550, 8041), (2805, 7310), (2838, 7225), (2890, 7095), (3179, 6450), (3225, 6358), (3655, 5610), (4335, 4730), (4386, 4675)]