20768655

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1627}}^1$

素因数の和:1695

約数の個数: 32

約数和(自身を含む): 35633664

約数和(自身を除く): 14865009

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 1627, 2553, 4255, 4881, 8135, 12765, 24405, 37421, 60199, 112263, 180597, 187105, 300995, 561315, 902985, 1384577, 4153731, 6922885, 20768655]

約数ペア:

[(1, 20768655), (3, 6922885), (5, 4153731), (15, 1384577), (23, 902985), (37, 561315), (69, 300995), (111, 187105), (115, 180597), (185, 112263), (345, 60199), (555, 37421), (851, 24405), (1627, 12765), (2553, 8135), (4255, 4881)]