20169959043

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 32375185920

約数和(自身を除く): 12205226877

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 131, 221, 299, 391, 393, 439, 529, 663, 897, 1173, 1317, 1587, 1703, 2227, 3013, 5083, 5109, 5707, 6681, 6877, 7463, 8993, 9039, 10097, 15249, 17121, 20631, 22389, 26979, 28951, 30291, 39169, 51221, 57509, 69299, 86853, 97019, 116909, 117507, 131261, 153663, 171649, 172527, 207897, 232231, 291057, 350727, 393783, 514947, 665873, 696693, 747617, 900887, 977653, 1178083, 1322707, 1997619, 2231437, 2242851, 2702661, 2932959, 3019003, 3534249, 3947927, 3968121, 6694311, 9057009, 11843781, 12709489, 15315079, 17195191, 22486019, 30422261, 38128467, 45945237, 51323051, 51585573, 67458057, 91266783, 153969153, 292318247, 395489393, 517178437, 876954741, 1186468179, 1551535311, 6723319681, 20169959043]

約数ペア:

[(1, 20169959043), (3, 6723319681), (13, 1551535311), (17, 1186468179), (23, 876954741), (39, 517178437), (51, 395489393), (69, 292318247), (131, 153969153), (221, 91266783), (299, 67458057), (391, 51585573), (393, 51323051), (439, 45945237), (529, 38128467), (663, 30422261), (897, 22486019), (1173, 17195191), (1317, 15315079), (1587, 12709489), (1703, 11843781), (2227, 9057009), (3013, 6694311), (5083, 3968121), (5109, 3947927), (5707, 3534249), (6681, 3019003), (6877, 2932959), (7463, 2702661), (8993, 2242851), (9039, 2231437), (10097, 1997619), (15249, 1322707), (17121, 1178083), (20631, 977653), (22389, 900887), (26979, 747617), (28951, 696693), (30291, 665873), (39169, 514947), (51221, 393783), (57509, 350727), (69299, 291057), (86853, 232231), (97019, 207897), (116909, 172527), (117507, 171649), (131261, 153663)]