20189671645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{123307}}^1$

素因数の和:123565

約数の個数: 32

約数和(自身を含む): 28587726720

約数和(自身を除く): 8398055075

約数列:

[1, 5, 11, 13, 55, 65, 143, 229, 715, 1145, 2519, 2977, 12595, 14885, 32747, 123307, 163735, 616535, 1356377, 1602991, 6781885, 8014955, 17632901, 28237303, 88164505, 141186515, 310610333, 367084939, 1553051665, 1835424695, 4037934329, 20189671645]

約数ペア:

[(1, 20189671645), (5, 4037934329), (11, 1835424695), (13, 1553051665), (55, 367084939), (65, 310610333), (143, 141186515), (229, 88164505), (715, 28237303), (1145, 17632901), (2519, 8014955), (2977, 6781885), (12595, 1602991), (14885, 1356377), (32747, 616535), (123307, 163735)]