19923700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6427}}^1$

素因数の和:6472

約数の個数: 36

約数和(自身を含む): 44636032

約数和(自身を除く): 24712332

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6427, 12854, 25708, 32135, 64270, 128540, 160675, 199237, 321350, 398474, 642700, 796948, 996185, 1992370, 3984740, 4980925, 9961850, 19923700]

約数ペア:

[(1, 19923700), (2, 9961850), (4, 4980925), (5, 3984740), (10, 1992370), (20, 996185), (25, 796948), (31, 642700), (50, 398474), (62, 321350), (100, 199237), (124, 160675), (155, 128540), (310, 64270), (620, 32135), (775, 25708), (1550, 12854), (3100, 6427)]