16201220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3733}}^1$

素因数の和:3780

約数の個数: 48

約数和(自身を含む): 40147968

約数和(自身を除く): 23946748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3733, 4340, 7466, 14932, 18665, 26131, 37330, 52262, 74660, 104524, 115723, 130655, 231446, 261310, 462892, 522620, 578615, 810061, 1157230, 1620122, 2314460, 3240244, 4050305, 8100610, 16201220]

約数ペア:

[(1, 16201220), (2, 8100610), (4, 4050305), (5, 3240244), (7, 2314460), (10, 1620122), (14, 1157230), (20, 810061), (28, 578615), (31, 522620), (35, 462892), (62, 261310), (70, 231446), (124, 130655), (140, 115723), (155, 104524), (217, 74660), (310, 52262), (434, 37330), (620, 26131), (868, 18665), (1085, 14932), (2170, 7466), (3733, 4340)]