20087328645

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{5441}}^1$

素因数の和:5548

約数の個数: 128

約数和(自身を含む): 39495859200

約数和(自身を除く): 19408530555

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 41, 45, 69, 87, 115, 123, 135, 145, 205, 207, 261, 345, 369, 435, 615, 621, 667, 783, 943, 1035, 1107, 1189, 1305, 1845, 2001, 2829, 3105, 3335, 3567, 3915, 4715, 5441, 5535, 5945, 6003, 8487, 10005, 10701, 14145, 16323, 17835, 18009, 25461, 27205, 27347, 30015, 32103, 42435, 48969, 53505, 81615, 82041, 90045, 125143, 127305, 136735, 146907, 157789, 160515, 223081, 244845, 246123, 375429, 410205, 473367, 625715, 669243, 734535, 738369, 788945, 1115405, 1126287, 1230615, 1420101, 1877145, 2007729, 2366835, 3346215, 3378861, 3629147, 3691845, 4260303, 5130863, 5631435, 6023187, 6469349, 7100505, 10038645, 10887441, 15392589, 16894305, 18145735, 19408047, 21301515, 25654315, 30115935, 32346745, 32662323, 46177767, 54437205, 58224141, 76962945, 97040235, 97986969, 138533301, 148795027, 163311615, 174672423, 230888835, 291120705, 446385081, 489934845, 692666505, 743975135, 873362115, 1339155243, 2231925405, 4017465729, 6695776215, 20087328645]

約数ペア:

[(1, 20087328645), (3, 6695776215), (5, 4017465729), (9, 2231925405), (15, 1339155243), (23, 873362115), (27, 743975135), (29, 692666505), (41, 489934845), (45, 446385081), (69, 291120705), (87, 230888835), (115, 174672423), (123, 163311615), (135, 148795027), (145, 138533301), (205, 97986969), (207, 97040235), (261, 76962945), (345, 58224141), (369, 54437205), (435, 46177767), (615, 32662323), (621, 32346745), (667, 30115935), (783, 25654315), (943, 21301515), (1035, 19408047), (1107, 18145735), (1189, 16894305), (1305, 15392589), (1845, 10887441), (2001, 10038645), (2829, 7100505), (3105, 6469349), (3335, 6023187), (3567, 5631435), (3915, 5130863), (4715, 4260303), (5441, 3691845), (5535, 3629147), (5945, 3378861), (6003, 3346215), (8487, 2366835), (10005, 2007729), (10701, 1877145), (14145, 1420101), (16323, 1230615), (17835, 1126287), (18009, 1115405), (25461, 788945), (27205, 738369), (27347, 734535), (30015, 669243), (32103, 625715), (42435, 473367), (48969, 410205), (53505, 375429), (81615, 246123), (82041, 244845), (90045, 223081), (125143, 160515), (127305, 157789), (136735, 146907)]