19923080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16067}}^1$

素因数の和:16109

約数の個数: 32

約数和(自身を含む): 46275840

約数和(自身を除く): 26352760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16067, 32134, 64268, 80335, 128536, 160670, 321340, 498077, 642680, 996154, 1992308, 2490385, 3984616, 4980770, 9961540, 19923080]

約数ペア:

[(1, 19923080), (2, 9961540), (4, 4980770), (5, 3984616), (8, 2490385), (10, 1992308), (20, 996154), (31, 642680), (40, 498077), (62, 321340), (124, 160670), (155, 128536), (248, 80335), (310, 64268), (620, 32134), (1240, 16067)]