20228864390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{39163}}^1$

素因数の和:39381

約数の個数: 64

約数和(自身を含む): 42770847744

約数和(自身を除く): 22541983354

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 157, 235, 314, 329, 470, 658, 785, 1099, 1570, 1645, 2198, 3290, 5495, 7379, 10990, 14758, 36895, 39163, 51653, 73790, 78326, 103306, 195815, 258265, 274141, 391630, 516530, 548282, 1370705, 1840661, 2741410, 3681322, 6148591, 9203305, 12297182, 12884627, 18406610, 25769254, 30742955, 43040137, 61485910, 64423135, 86080274, 128846270, 215200685, 288983777, 430401370, 577967554, 1444918885, 2022886439, 2889837770, 4045772878, 10114432195, 20228864390]

約数ペア:

[(1, 20228864390), (2, 10114432195), (5, 4045772878), (7, 2889837770), (10, 2022886439), (14, 1444918885), (35, 577967554), (47, 430401370), (70, 288983777), (94, 215200685), (157, 128846270), (235, 86080274), (314, 64423135), (329, 61485910), (470, 43040137), (658, 30742955), (785, 25769254), (1099, 18406610), (1570, 12884627), (1645, 12297182), (2198, 9203305), (3290, 6148591), (5495, 3681322), (7379, 2741410), (10990, 1840661), (14758, 1370705), (36895, 548282), (39163, 516530), (51653, 391630), (73790, 274141), (78326, 258265), (103306, 195815)]