20092940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 51408000

約数和(自身を除く): 31315060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 101, 116, 140, 145, 196, 202, 203, 245, 290, 343, 404, 406, 490, 505, 580, 686, 707, 812, 980, 1010, 1015, 1372, 1414, 1421, 1715, 2020, 2030, 2828, 2842, 2929, 3430, 3535, 4060, 4949, 5684, 5858, 6860, 7070, 7105, 9898, 9947, 11716, 14140, 14210, 14645, 19796, 19894, 20503, 24745, 28420, 29290, 34643, 39788, 41006, 49490, 49735, 58580, 69286, 82012, 98980, 99470, 102515, 138572, 143521, 173215, 198940, 205030, 287042, 346430, 410060, 574084, 692860, 717605, 1004647, 1435210, 2009294, 2870420, 4018588, 5023235, 10046470, 20092940]

約数ペア:

[(1, 20092940), (2, 10046470), (4, 5023235), (5, 4018588), (7, 2870420), (10, 2009294), (14, 1435210), (20, 1004647), (28, 717605), (29, 692860), (35, 574084), (49, 410060), (58, 346430), (70, 287042), (98, 205030), (101, 198940), (116, 173215), (140, 143521), (145, 138572), (196, 102515), (202, 99470), (203, 98980), (245, 82012), (290, 69286), (343, 58580), (404, 49735), (406, 49490), (490, 41006), (505, 39788), (580, 34643), (686, 29290), (707, 28420), (812, 24745), (980, 20503), (1010, 19894), (1015, 19796), (1372, 14645), (1414, 14210), (1421, 14140), (1715, 11716), (2020, 9947), (2030, 9898), (2828, 7105), (2842, 7070), (2929, 6860), (3430, 5858), (3535, 5684), (4060, 4949)]