20162968945

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 28677242880

約数和(自身を除く): 8514273935

約数列:

[1, 5, 7, 35, 67, 79, 127, 335, 395, 469, 553, 635, 857, 889, 2345, 2765, 4285, 4445, 5293, 5999, 8509, 10033, 26465, 29995, 37051, 42545, 50165, 57419, 59563, 67703, 70231, 108839, 185255, 287095, 297815, 338515, 351155, 401933, 473921, 544195, 672211, 761873, 2009665, 2369605, 3361055, 3809365, 4536101, 4705477, 7292213, 8598281, 22680505, 23527385, 31752707, 36461065, 42991405, 51045491, 60187967, 158763535, 255227455, 300939835, 576084827, 2880424135, 4032593789, 20162968945]

約数ペア:

[(1, 20162968945), (5, 4032593789), (7, 2880424135), (35, 576084827), (67, 300939835), (79, 255227455), (127, 158763535), (335, 60187967), (395, 51045491), (469, 42991405), (553, 36461065), (635, 31752707), (857, 23527385), (889, 22680505), (2345, 8598281), (2765, 7292213), (4285, 4705477), (4445, 4536101), (5293, 3809365), (5999, 3361055), (8509, 2369605), (10033, 2009665), (26465, 761873), (29995, 672211), (37051, 544195), (42545, 473921), (50165, 401933), (57419, 351155), (59563, 338515), (67703, 297815), (70231, 287095), (108839, 185255)]