20259420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 58299024

約数和(自身を除く): 38039604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 97, 118, 177, 194, 236, 291, 295, 354, 388, 485, 582, 590, 708, 885, 970, 1164, 1180, 1455, 1770, 1940, 2910, 3481, 3540, 5723, 5820, 6962, 10443, 11446, 13924, 17169, 17405, 20886, 22892, 28615, 34338, 34810, 41772, 52215, 57230, 68676, 69620, 85845, 104430, 114460, 171690, 208860, 337657, 343380, 675314, 1012971, 1350628, 1688285, 2025942, 3376570, 4051884, 5064855, 6753140, 10129710, 20259420]

約数ペア:

[(1, 20259420), (2, 10129710), (3, 6753140), (4, 5064855), (5, 4051884), (6, 3376570), (10, 2025942), (12, 1688285), (15, 1350628), (20, 1012971), (30, 675314), (59, 343380), (60, 337657), (97, 208860), (118, 171690), (177, 114460), (194, 104430), (236, 85845), (291, 69620), (295, 68676), (354, 57230), (388, 52215), (485, 41772), (582, 34810), (590, 34338), (708, 28615), (885, 22892), (970, 20886), (1164, 17405), (1180, 17169), (1455, 13924), (1770, 11446), (1940, 10443), (2910, 6962), (3481, 5820), (3540, 5723)]