20909736

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 38844504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 47, 72, 74, 94, 111, 141, 148, 167, 188, 222, 282, 296, 333, 334, 376, 423, 444, 501, 564, 666, 668, 846, 888, 1002, 1128, 1332, 1336, 1503, 1692, 1739, 2004, 2664, 3006, 3384, 3478, 4008, 5217, 6012, 6179, 6956, 7849, 10434, 12024, 12358, 13912, 15651, 15698, 18537, 20868, 23547, 24716, 31302, 31396, 37074, 41736, 47094, 49432, 55611, 62604, 62792, 70641, 74148, 94188, 111222, 125208, 141282, 148296, 188376, 222444, 282564, 290413, 444888, 565128, 580826, 871239, 1161652, 1742478, 2323304, 2613717, 3484956, 5227434, 6969912, 10454868, 20909736]

約数ペア:

[(1, 20909736), (2, 10454868), (3, 6969912), (4, 5227434), (6, 3484956), (8, 2613717), (9, 2323304), (12, 1742478), (18, 1161652), (24, 871239), (36, 580826), (37, 565128), (47, 444888), (72, 290413), (74, 282564), (94, 222444), (111, 188376), (141, 148296), (148, 141282), (167, 125208), (188, 111222), (222, 94188), (282, 74148), (296, 70641), (333, 62792), (334, 62604), (376, 55611), (423, 49432), (444, 47094), (501, 41736), (564, 37074), (666, 31396), (668, 31302), (846, 24716), (888, 23547), (1002, 20868), (1128, 18537), (1332, 15698), (1336, 15651), (1503, 13912), (1692, 12358), (1739, 12024), (2004, 10434), (2664, 7849), (3006, 6956), (3384, 6179), (3478, 6012), (4008, 5217)]