20760740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 192

約数和(自身を含む): 62995968

約数和(自身を除く): 42235228

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 17, 20, 22, 26, 28, 34, 35, 44, 52, 55, 61, 65, 68, 70, 77, 85, 91, 110, 119, 122, 130, 140, 143, 154, 170, 182, 187, 220, 221, 238, 244, 260, 286, 305, 308, 340, 364, 374, 385, 427, 442, 455, 476, 572, 595, 610, 671, 715, 748, 770, 793, 854, 884, 910, 935, 1001, 1037, 1105, 1190, 1220, 1309, 1342, 1430, 1540, 1547, 1586, 1708, 1820, 1870, 2002, 2074, 2135, 2210, 2380, 2431, 2618, 2684, 2860, 3094, 3172, 3355, 3740, 3965, 4004, 4148, 4270, 4420, 4697, 4862, 5005, 5185, 5236, 5551, 6188, 6545, 6710, 7259, 7735, 7930, 8540, 8723, 9394, 9724, 10010, 10370, 11102, 11407, 12155, 13090, 13420, 13481, 14518, 15470, 15860, 17017, 17446, 18788, 20020, 20740, 22204, 22814, 23485, 24310, 26180, 26962, 27755, 29036, 30940, 34034, 34892, 36295, 43615, 45628, 46970, 48620, 53924, 55510, 57035, 61061, 67405, 68068, 72590, 79849, 85085, 87230, 93940, 94367, 111020, 114070, 122122, 134810, 145180, 148291, 159698, 170170, 174460, 188734, 228140, 244244, 269620, 296582, 305305, 319396, 340340, 377468, 399245, 471835, 593164, 610610, 741455, 798490, 943670, 1038037, 1221220, 1482910, 1596980, 1887340, 2076074, 2965820, 4152148, 5190185, 10380370, 20760740]

約数ペア:

[(1, 20760740), (2, 10380370), (4, 5190185), (5, 4152148), (7, 2965820), (10, 2076074), (11, 1887340), (13, 1596980), (14, 1482910), (17, 1221220), (20, 1038037), (22, 943670), (26, 798490), (28, 741455), (34, 610610), (35, 593164), (44, 471835), (52, 399245), (55, 377468), (61, 340340), (65, 319396), (68, 305305), (70, 296582), (77, 269620), (85, 244244), (91, 228140), (110, 188734), (119, 174460), (122, 170170), (130, 159698), (140, 148291), (143, 145180), (154, 134810), (170, 122122), (182, 114070), (187, 111020), (220, 94367), (221, 93940), (238, 87230), (244, 85085), (260, 79849), (286, 72590), (305, 68068), (308, 67405), (340, 61061), (364, 57035), (374, 55510), (385, 53924), (427, 48620), (442, 46970), (455, 45628), (476, 43615), (572, 36295), (595, 34892), (610, 34034), (671, 30940), (715, 29036), (748, 27755), (770, 26962), (793, 26180), (854, 24310), (884, 23485), (910, 22814), (935, 22204), (1001, 20740), (1037, 20020), (1105, 18788), (1190, 17446), (1220, 17017), (1309, 15860), (1342, 15470), (1430, 14518), (1540, 13481), (1547, 13420), (1586, 13090), (1708, 12155), (1820, 11407), (1870, 11102), (2002, 10370), (2074, 10010), (2135, 9724), (2210, 9394), (2380, 8723), (2431, 8540), (2618, 7930), (2684, 7735), (2860, 7259), (3094, 6710), (3172, 6545), (3355, 6188), (3740, 5551), (3965, 5236), (4004, 5185), (4148, 5005), (4270, 4862), (4420, 4697)]