20218272498

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{372797}}^1$

素因数の和:372959

約数の個数: 48

約数和(自身を含む): 46059938496

約数和(自身を除く): 25841665998

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 131, 138, 207, 262, 393, 414, 786, 1179, 2358, 3013, 6026, 9039, 18078, 27117, 54234, 372797, 745594, 1118391, 2236782, 3355173, 6710346, 8574331, 17148662, 25722993, 48836407, 51445986, 77168979, 97672814, 146509221, 154337958, 293018442, 439527663, 879055326, 1123237361, 2246474722, 3369712083, 6739424166, 10109136249, 20218272498]

約数ペア:

[(1, 20218272498), (2, 10109136249), (3, 6739424166), (6, 3369712083), (9, 2246474722), (18, 1123237361), (23, 879055326), (46, 439527663), (69, 293018442), (131, 154337958), (138, 146509221), (207, 97672814), (262, 77168979), (393, 51445986), (414, 48836407), (786, 25722993), (1179, 17148662), (2358, 8574331), (3013, 6710346), (6026, 3355173), (9039, 2236782), (18078, 1118391), (27117, 745594), (54234, 372797)]