20211783885

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{1439}}^1$

素因数の和:1755

約数の個数: 96

約数和(自身を含む): 37200384000

約数和(自身を除く): 16988600115

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 229, 235, 261, 423, 435, 687, 705, 1145, 1305, 1363, 1439, 2061, 2115, 3435, 4089, 4317, 6641, 6815, 7195, 10305, 10763, 12267, 12951, 19923, 20445, 21585, 32289, 33205, 41731, 53815, 59769, 61335, 64755, 67633, 96867, 99615, 125193, 161445, 202899, 208655, 298845, 312127, 329531, 338165, 375579, 484335, 608697, 625965, 936381, 988593, 1014495, 1560635, 1647655, 1877895, 1961357, 2809143, 2965779, 3043485, 4681905, 4942965, 5884071, 9556399, 9806785, 14045715, 14828895, 15487957, 17652213, 28669197, 29420355, 46463871, 47781995, 77439785, 86007591, 88261065, 139391613, 143345985, 232319355, 430037955, 449150753, 696958065, 1347452259, 2245753765, 4042356777, 6737261295, 20211783885]

約数ペア:

[(1, 20211783885), (3, 6737261295), (5, 4042356777), (9, 2245753765), (15, 1347452259), (29, 696958065), (45, 449150753), (47, 430037955), (87, 232319355), (141, 143345985), (145, 139391613), (229, 88261065), (235, 86007591), (261, 77439785), (423, 47781995), (435, 46463871), (687, 29420355), (705, 28669197), (1145, 17652213), (1305, 15487957), (1363, 14828895), (1439, 14045715), (2061, 9806785), (2115, 9556399), (3435, 5884071), (4089, 4942965), (4317, 4681905), (6641, 3043485), (6815, 2965779), (7195, 2809143), (10305, 1961357), (10763, 1877895), (12267, 1647655), (12951, 1560635), (19923, 1014495), (20445, 988593), (21585, 936381), (32289, 625965), (33205, 608697), (41731, 484335), (53815, 375579), (59769, 338165), (61335, 329531), (64755, 312127), (67633, 298845), (96867, 208655), (99615, 202899), (125193, 161445)]