20179946450

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{359}}^1\times {\mathrm{11131}}^1$

素因数の和:11603

約数の個数: 48

約数和(自身を含む): 38015334720

約数和(自身を除く): 17835388270

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 359, 505, 718, 1010, 1795, 2525, 3590, 5050, 8975, 11131, 17950, 22262, 36259, 55655, 72518, 111310, 181295, 278275, 362590, 556550, 906475, 1124231, 1812950, 2248462, 3996029, 5621155, 7992058, 11242310, 19980145, 28105775, 39960290, 56211550, 99900725, 199801450, 403598929, 807197858, 2017994645, 4035989290, 10089973225, 20179946450]

約数ペア:

[(1, 20179946450), (2, 10089973225), (5, 4035989290), (10, 2017994645), (25, 807197858), (50, 403598929), (101, 199801450), (202, 99900725), (359, 56211550), (505, 39960290), (718, 28105775), (1010, 19980145), (1795, 11242310), (2525, 7992058), (3590, 5621155), (5050, 3996029), (8975, 2248462), (11131, 1812950), (17950, 1124231), (22262, 906475), (36259, 556550), (55655, 362590), (72518, 278275), (111310, 181295)]