20467148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 40877760

約数和(自身を除く): 20410612

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 109, 157, 218, 299, 314, 436, 598, 628, 1196, 1417, 2041, 2507, 2834, 3611, 4082, 5014, 5668, 7222, 8164, 10028, 14444, 17113, 32591, 34226, 46943, 65182, 68452, 93886, 130364, 187772, 222469, 393599, 444938, 787198, 889876, 1574396, 5116787, 10233574, 20467148]

約数ペア:

[(1, 20467148), (2, 10233574), (4, 5116787), (13, 1574396), (23, 889876), (26, 787198), (46, 444938), (52, 393599), (92, 222469), (109, 187772), (157, 130364), (218, 93886), (299, 68452), (314, 65182), (436, 46943), (598, 34226), (628, 32591), (1196, 17113), (1417, 14444), (2041, 10028), (2507, 8164), (2834, 7222), (3611, 5668), (4082, 5014)]