20347184473

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{70223}}^1$

素因数の和:70365

約数の個数: 32

約数和(自身を含む): 26210967552

約数和(自身を除く): 5863783079

約数列:

[1, 7, 11, 53, 71, 77, 371, 497, 583, 781, 3763, 4081, 5467, 26341, 41393, 70223, 289751, 491561, 772453, 3721819, 4985833, 5407171, 26052733, 34900831, 40940009, 54844163, 264249149, 286580063, 383909141, 1849744043, 2906740639, 20347184473]

約数ペア:

[(1, 20347184473), (7, 2906740639), (11, 1849744043), (53, 383909141), (71, 286580063), (77, 264249149), (371, 54844163), (497, 40940009), (583, 34900831), (781, 26052733), (3763, 5407171), (4081, 4985833), (5467, 3721819), (26341, 772453), (41393, 491561), (70223, 289751)]