20136628520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29612689}}^1$

素因数の和:29612717

約数の個数: 32

約数和(自身を含む): 47972557800

約数和(自身を除く): 27835929280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29612689, 59225378, 118450756, 148063445, 236901512, 296126890, 503415713, 592253780, 1006831426, 1184507560, 2013662852, 2517078565, 4027325704, 5034157130, 10068314260, 20136628520]

約数ペア:

[(1, 20136628520), (2, 10068314260), (4, 5034157130), (5, 4027325704), (8, 2517078565), (10, 2013662852), (17, 1184507560), (20, 1006831426), (34, 592253780), (40, 503415713), (68, 296126890), (85, 236901512), (136, 148063445), (170, 118450756), (340, 59225378), (680, 29612689)]