20199821220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{709}}^1\times {\mathrm{1907}}^1$

素因数の和:2714

約数の個数: 144

約数和(自身を含む): 62131043520

約数和(自身を除く): 41931222300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 709, 747, 830, 996, 1245, 1418, 1494, 1660, 1907, 2127, 2490, 2836, 2988, 3545, 3735, 3814, 4254, 4980, 5721, 6381, 7090, 7470, 7628, 8508, 9535, 10635, 11442, 12762, 14180, 14940, 17163, 19070, 21270, 22884, 25524, 28605, 31905, 34326, 38140, 42540, 57210, 58847, 63810, 68652, 85815, 114420, 117694, 127620, 158281, 171630, 176541, 235388, 294235, 316562, 343260, 353082, 474843, 529623, 588470, 633124, 706164, 791405, 882705, 949686, 1059246, 1176940, 1352063, 1424529, 1582810, 1765410, 1899372, 2118492, 2374215, 2648115, 2704126, 2849058, 3165620, 3530820, 4056189, 4748430, 5296230, 5408252, 5698116, 6760315, 7122645, 8112378, 9496860, 10592460, 12168567, 13520630, 14245290, 16224756, 20280945, 24337134, 27041260, 28490580, 40561890, 48674268, 60842835, 81123780, 112221229, 121685670, 224442458, 243371340, 336663687, 448884916, 561106145, 673327374, 1009991061, 1122212290, 1346654748, 1683318435, 2019982122, 2244424580, 3366636870, 4039964244, 5049955305, 6733273740, 10099910610, 20199821220]

約数ペア:

[(1, 20199821220), (2, 10099910610), (3, 6733273740), (4, 5049955305), (5, 4039964244), (6, 3366636870), (9, 2244424580), (10, 2019982122), (12, 1683318435), (15, 1346654748), (18, 1122212290), (20, 1009991061), (30, 673327374), (36, 561106145), (45, 448884916), (60, 336663687), (83, 243371340), (90, 224442458), (166, 121685670), (180, 112221229), (249, 81123780), (332, 60842835), (415, 48674268), (498, 40561890), (709, 28490580), (747, 27041260), (830, 24337134), (996, 20280945), (1245, 16224756), (1418, 14245290), (1494, 13520630), (1660, 12168567), (1907, 10592460), (2127, 9496860), (2490, 8112378), (2836, 7122645), (2988, 6760315), (3545, 5698116), (3735, 5408252), (3814, 5296230), (4254, 4748430), (4980, 4056189), (5721, 3530820), (6381, 3165620), (7090, 2849058), (7470, 2704126), (7628, 2648115), (8508, 2374215), (9535, 2118492), (10635, 1899372), (11442, 1765410), (12762, 1582810), (14180, 1424529), (14940, 1352063), (17163, 1176940), (19070, 1059246), (21270, 949686), (22884, 882705), (25524, 791405), (28605, 706164), (31905, 633124), (34326, 588470), (38140, 529623), (42540, 474843), (57210, 353082), (58847, 343260), (63810, 316562), (68652, 294235), (85815, 235388), (114420, 176541), (117694, 171630), (127620, 158281)]