20316700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 108

約数和(自身を含む): 50630440

約数和(自身を除く): 30313740

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 37, 38, 50, 68, 74, 76, 85, 95, 100, 148, 170, 185, 190, 289, 323, 340, 370, 380, 425, 475, 578, 629, 646, 703, 740, 850, 925, 950, 1156, 1258, 1292, 1406, 1445, 1615, 1700, 1850, 1900, 2516, 2812, 2890, 3145, 3230, 3515, 3700, 5491, 5780, 6290, 6460, 7030, 7225, 8075, 10693, 10982, 11951, 12580, 14060, 14450, 15725, 16150, 17575, 21386, 21964, 23902, 27455, 28900, 31450, 32300, 35150, 42772, 47804, 53465, 54910, 59755, 62900, 70300, 106930, 109820, 119510, 137275, 203167, 213860, 239020, 267325, 274550, 298775, 406334, 534650, 549100, 597550, 812668, 1015835, 1069300, 1195100, 2031670, 4063340, 5079175, 10158350, 20316700]

約数ペア:

[(1, 20316700), (2, 10158350), (4, 5079175), (5, 4063340), (10, 2031670), (17, 1195100), (19, 1069300), (20, 1015835), (25, 812668), (34, 597550), (37, 549100), (38, 534650), (50, 406334), (68, 298775), (74, 274550), (76, 267325), (85, 239020), (95, 213860), (100, 203167), (148, 137275), (170, 119510), (185, 109820), (190, 106930), (289, 70300), (323, 62900), (340, 59755), (370, 54910), (380, 53465), (425, 47804), (475, 42772), (578, 35150), (629, 32300), (646, 31450), (703, 28900), (740, 27455), (850, 23902), (925, 21964), (950, 21386), (1156, 17575), (1258, 16150), (1292, 15725), (1406, 14450), (1445, 14060), (1615, 12580), (1700, 11951), (1850, 10982), (1900, 10693), (2516, 8075), (2812, 7225), (2890, 7030), (3145, 6460), (3230, 6290), (3515, 5780), (3700, 5491)]