20156164980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{28549}}^1$

素因数の和:28650

約数の個数: 144

約数和(自身を含む): 66113577600

約数和(自身を除く): 45957412620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1681, 1722, 2460, 2870, 3362, 3444, 4305, 5043, 5740, 6724, 8405, 8610, 10086, 11767, 16810, 17220, 20172, 23534, 25215, 28549, 33620, 35301, 47068, 50430, 57098, 58835, 70602, 85647, 100860, 114196, 117670, 141204, 142745, 171294, 176505, 199843, 235340, 285490, 342588, 353010, 399686, 428235, 570980, 599529, 706020, 799372, 856470, 999215, 1170509, 1199058, 1712940, 1998430, 2341018, 2398116, 2997645, 3511527, 3996860, 4682036, 5852545, 5995290, 7023054, 8193563, 11705090, 11990580, 14046108, 16387126, 17557635, 23410180, 24580689, 32774252, 35115270, 40967815, 47990869, 49161378, 70230540, 81935630, 95981738, 98322756, 122903445, 143972607, 163871260, 191963476, 239954345, 245806890, 287945214, 335936083, 479908690, 491613780, 575890428, 671872166, 719863035, 959817380, 1007808249, 1343744332, 1439726070, 1679680415, 2015616498, 2879452140, 3359360830, 4031232996, 5039041245, 6718721660, 10078082490, 20156164980]

約数ペア:

[(1, 20156164980), (2, 10078082490), (3, 6718721660), (4, 5039041245), (5, 4031232996), (6, 3359360830), (7, 2879452140), (10, 2015616498), (12, 1679680415), (14, 1439726070), (15, 1343744332), (20, 1007808249), (21, 959817380), (28, 719863035), (30, 671872166), (35, 575890428), (41, 491613780), (42, 479908690), (60, 335936083), (70, 287945214), (82, 245806890), (84, 239954345), (105, 191963476), (123, 163871260), (140, 143972607), (164, 122903445), (205, 98322756), (210, 95981738), (246, 81935630), (287, 70230540), (410, 49161378), (420, 47990869), (492, 40967815), (574, 35115270), (615, 32774252), (820, 24580689), (861, 23410180), (1148, 17557635), (1230, 16387126), (1435, 14046108), (1681, 11990580), (1722, 11705090), (2460, 8193563), (2870, 7023054), (3362, 5995290), (3444, 5852545), (4305, 4682036), (5043, 3996860), (5740, 3511527), (6724, 2997645), (8405, 2398116), (8610, 2341018), (10086, 1998430), (11767, 1712940), (16810, 1199058), (17220, 1170509), (20172, 999215), (23534, 856470), (25215, 799372), (28549, 706020), (33620, 599529), (35301, 570980), (47068, 428235), (50430, 399686), (57098, 353010), (58835, 342588), (70602, 285490), (85647, 235340), (100860, 199843), (114196, 176505), (117670, 171294), (141204, 142745)]