20674979178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{37811}}^1$

素因数の和:38147

約数の個数: 64

約数和(自身を含む): 48438079488

約数和(自身を除く): 27763100310

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 277, 282, 329, 554, 658, 831, 987, 1662, 1939, 1974, 3878, 5817, 11634, 13019, 26038, 37811, 39057, 75622, 78114, 91133, 113433, 182266, 226866, 264677, 273399, 529354, 546798, 794031, 1588062, 1777117, 3554234, 5331351, 10473647, 10662702, 12439819, 20947294, 24879638, 31420941, 37319457, 62841882, 73315529, 74638914, 146631058, 219946587, 439893174, 492261409, 984522818, 1476784227, 2953568454, 3445829863, 6891659726, 10337489589, 20674979178]

約数ペア:

[(1, 20674979178), (2, 10337489589), (3, 6891659726), (6, 3445829863), (7, 2953568454), (14, 1476784227), (21, 984522818), (42, 492261409), (47, 439893174), (94, 219946587), (141, 146631058), (277, 74638914), (282, 73315529), (329, 62841882), (554, 37319457), (658, 31420941), (831, 24879638), (987, 20947294), (1662, 12439819), (1939, 10662702), (1974, 10473647), (3878, 5331351), (5817, 3554234), (11634, 1777117), (13019, 1588062), (26038, 794031), (37811, 546798), (39057, 529354), (75622, 273399), (78114, 264677), (91133, 226866), (113433, 182266)]