20147872329

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{17981}}^1$

素因数の和:18218

約数の個数: 48

約数和(自身を含む): 32059604304

約数和(自身を除く): 11911731975

約数列:

[1, 3, 9, 13, 39, 61, 117, 157, 183, 471, 549, 793, 1413, 2041, 2379, 6123, 7137, 9577, 17981, 18369, 28731, 53943, 86193, 124501, 161829, 233753, 373503, 701259, 1096841, 1120509, 2103777, 2823017, 3290523, 8469051, 9871569, 14258933, 25407153, 36699221, 42776799, 110097663, 128330397, 172204037, 330292989, 516612111, 1549836333, 2238652481, 6715957443, 20147872329]

約数ペア:

[(1, 20147872329), (3, 6715957443), (9, 2238652481), (13, 1549836333), (39, 516612111), (61, 330292989), (117, 172204037), (157, 128330397), (183, 110097663), (471, 42776799), (549, 36699221), (793, 25407153), (1413, 14258933), (2041, 9871569), (2379, 8469051), (6123, 3290523), (7137, 2823017), (9577, 2103777), (17981, 1120509), (18369, 1096841), (28731, 701259), (53943, 373503), (86193, 233753), (124501, 161829)]