20867030

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 39287808

約数和(自身を除く): 18420778

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 811, 830, 1622, 2573, 4055, 5146, 8110, 12865, 25141, 25730, 50282, 67313, 125705, 134626, 251410, 336565, 673130, 2086703, 4173406, 10433515, 20867030]

約数ペア:

[(1, 20867030), (2, 10433515), (5, 4173406), (10, 2086703), (31, 673130), (62, 336565), (83, 251410), (155, 134626), (166, 125705), (310, 67313), (415, 50282), (811, 25730), (830, 25141), (1622, 12865), (2573, 8110), (4055, 5146)]