20162851575

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1$

素因数の和:809

約数の個数: 96

約数和(自身を含む): 34859911680

約数和(自身を除く): 14697060105

約数列:

[1, 3, 5, 15, 25, 43, 71, 75, 129, 173, 213, 215, 355, 509, 519, 645, 865, 1065, 1075, 1527, 1775, 2545, 2595, 3053, 3225, 4325, 5325, 7439, 7635, 9159, 12283, 12725, 12975, 15265, 21887, 22317, 36139, 36849, 37195, 38175, 45795, 61415, 65661, 76325, 88057, 108417, 109435, 111585, 180695, 184245, 185975, 228975, 264171, 307075, 328305, 440285, 528169, 542085, 547175, 557925, 903475, 921225, 1320855, 1553977, 1584507, 1641525, 2201425, 2640845, 2710425, 3786451, 4661931, 6252047, 6604275, 7769885, 7922535, 11359353, 13204225, 18756141, 18932255, 23309655, 31260235, 38849425, 39612675, 56796765, 93780705, 94661275, 116548275, 156301175, 268838021, 283983825, 468903525, 806514063, 1344190105, 4032570315, 6720950525, 20162851575]

約数ペア:

[(1, 20162851575), (3, 6720950525), (5, 4032570315), (15, 1344190105), (25, 806514063), (43, 468903525), (71, 283983825), (75, 268838021), (129, 156301175), (173, 116548275), (213, 94661275), (215, 93780705), (355, 56796765), (509, 39612675), (519, 38849425), (645, 31260235), (865, 23309655), (1065, 18932255), (1075, 18756141), (1527, 13204225), (1775, 11359353), (2545, 7922535), (2595, 7769885), (3053, 6604275), (3225, 6252047), (4325, 4661931), (5325, 3786451), (7439, 2710425), (7635, 2640845), (9159, 2201425), (12283, 1641525), (12725, 1584507), (12975, 1553977), (15265, 1320855), (21887, 921225), (22317, 903475), (36139, 557925), (36849, 547175), (37195, 542085), (38175, 528169), (45795, 440285), (61415, 328305), (65661, 307075), (76325, 264171), (88057, 228975), (108417, 185975), (109435, 184245), (111585, 180695)]