20278315665

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{11437}}^1$

素因数の和:11551

約数の個数: 72

約数和(自身を含む): 37208591784

約数和(自身を除く): 16930276119

約数列:

[1, 3, 5, 9, 15, 31, 41, 45, 93, 123, 155, 205, 279, 369, 465, 615, 961, 1271, 1395, 1845, 2883, 3813, 4805, 6355, 8649, 11437, 11439, 14415, 19065, 34311, 39401, 43245, 57185, 57195, 102933, 118203, 171555, 197005, 354547, 354609, 468917, 514665, 591015, 1063641, 1406751, 1772735, 1773045, 2344585, 3190923, 4220253, 5318205, 7033755, 10990957, 14536427, 15954615, 21101265, 32972871, 43609281, 54954785, 72682135, 98918613, 130827843, 164864355, 218046405, 450629237, 494593065, 654139215, 1351887711, 2253146185, 4055663133, 6759438555, 20278315665]

約数ペア:

[(1, 20278315665), (3, 6759438555), (5, 4055663133), (9, 2253146185), (15, 1351887711), (31, 654139215), (41, 494593065), (45, 450629237), (93, 218046405), (123, 164864355), (155, 130827843), (205, 98918613), (279, 72682135), (369, 54954785), (465, 43609281), (615, 32972871), (961, 21101265), (1271, 15954615), (1395, 14536427), (1845, 10990957), (2883, 7033755), (3813, 5318205), (4805, 4220253), (6355, 3190923), (8649, 2344585), (11437, 1773045), (11439, 1772735), (14415, 1406751), (19065, 1063641), (34311, 591015), (39401, 514665), (43245, 468917), (57185, 354609), (57195, 354547), (102933, 197005), (118203, 171555)]