20178690870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51740233}}^1$

素因数の和:51740256

約数の個数: 32

約数和(自身を含む): 52154155872

約数和(自身を除く): 31975465002

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51740233, 103480466, 155220699, 258701165, 310441398, 517402330, 672623029, 776103495, 1345246058, 1552206990, 2017869087, 3363115145, 4035738174, 6726230290, 10089345435, 20178690870]

約数ペア:

[(1, 20178690870), (2, 10089345435), (3, 6726230290), (5, 4035738174), (6, 3363115145), (10, 2017869087), (13, 1552206990), (15, 1345246058), (26, 776103495), (30, 672623029), (39, 517402330), (65, 310441398), (78, 258701165), (130, 155220699), (195, 103480466), (390, 51740233)]