20180694580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{13367}}^1$

素因数の和:13561

約数の個数: 96

約数和(自身を含む): 46488556800

約数和(自身を除く): 26307862220

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 137, 145, 190, 274, 290, 380, 548, 551, 580, 685, 1102, 1370, 2204, 2603, 2740, 2755, 3973, 5206, 5510, 7946, 10412, 11020, 13015, 13367, 15892, 19865, 26030, 26734, 39730, 52060, 53468, 66835, 75487, 79460, 133670, 150974, 253973, 267340, 301948, 377435, 387643, 507946, 754870, 775286, 1015892, 1269865, 1509740, 1550572, 1831279, 1938215, 2539730, 3662558, 3876430, 5079460, 7325116, 7365217, 7752860, 9156395, 14730434, 18312790, 29460868, 34794301, 36625580, 36826085, 53107091, 69588602, 73652170, 106214182, 139177204, 147304340, 173971505, 212428364, 265535455, 347943010, 531070910, 695886020, 1009034729, 1062141820, 2018069458, 4036138916, 5045173645, 10090347290, 20180694580]

約数ペア:

[(1, 20180694580), (2, 10090347290), (4, 5045173645), (5, 4036138916), (10, 2018069458), (19, 1062141820), (20, 1009034729), (29, 695886020), (38, 531070910), (58, 347943010), (76, 265535455), (95, 212428364), (116, 173971505), (137, 147304340), (145, 139177204), (190, 106214182), (274, 73652170), (290, 69588602), (380, 53107091), (548, 36826085), (551, 36625580), (580, 34794301), (685, 29460868), (1102, 18312790), (1370, 14730434), (2204, 9156395), (2603, 7752860), (2740, 7365217), (2755, 7325116), (3973, 5079460), (5206, 3876430), (5510, 3662558), (7946, 2539730), (10412, 1938215), (11020, 1831279), (13015, 1550572), (13367, 1509740), (15892, 1269865), (19865, 1015892), (26030, 775286), (26734, 754870), (39730, 507946), (52060, 387643), (53468, 377435), (66835, 301948), (75487, 267340), (79460, 253973), (133670, 150974)]