20157039

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4637}}^1$

素因数の和:4676

約数の個数: 32

約数和(自身を含む): 35619840

約数和(自身を除く): 15462801

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4637, 13911, 32459, 41733, 97377, 106651, 125199, 292131, 319953, 746557, 876393, 959859, 2239671, 2879577, 6719013, 20157039]

約数ペア:

[(1, 20157039), (3, 6719013), (7, 2879577), (9, 2239671), (21, 959859), (23, 876393), (27, 746557), (63, 319953), (69, 292131), (161, 125199), (189, 106651), (207, 97377), (483, 41733), (621, 32459), (1449, 13911), (4347, 4637)]