20162992220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{853}}^1\times {\mathrm{1549}}^1$

素因数の和:2527

約数の個数: 96

約数和(自身を含む): 48923952000

約数和(自身を除く): 28760959780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 853, 1090, 1526, 1549, 1706, 2180, 3052, 3098, 3412, 3815, 4265, 5971, 6196, 7630, 7745, 8530, 10843, 11942, 15260, 15490, 17060, 21686, 23884, 29855, 30980, 43372, 54215, 59710, 92977, 108430, 119420, 168841, 185954, 216860, 337682, 371908, 464885, 650839, 675364, 844205, 929770, 1181887, 1301678, 1321297, 1688410, 1859540, 2363774, 2603356, 2642594, 3254195, 3376820, 4727548, 5285188, 5909435, 6508390, 6606485, 9249079, 11818870, 13016780, 13212970, 18498158, 23637740, 26425940, 36996316, 46245395, 92490790, 144021373, 184981580, 288042746, 576085492, 720106865, 1008149611, 1440213730, 2016299222, 2880427460, 4032598444, 5040748055, 10081496110, 20162992220]

約数ペア:

[(1, 20162992220), (2, 10081496110), (4, 5040748055), (5, 4032598444), (7, 2880427460), (10, 2016299222), (14, 1440213730), (20, 1008149611), (28, 720106865), (35, 576085492), (70, 288042746), (109, 184981580), (140, 144021373), (218, 92490790), (436, 46245395), (545, 36996316), (763, 26425940), (853, 23637740), (1090, 18498158), (1526, 13212970), (1549, 13016780), (1706, 11818870), (2180, 9249079), (3052, 6606485), (3098, 6508390), (3412, 5909435), (3815, 5285188), (4265, 4727548), (5971, 3376820), (6196, 3254195), (7630, 2642594), (7745, 2603356), (8530, 2363774), (10843, 1859540), (11942, 1688410), (15260, 1321297), (15490, 1301678), (17060, 1181887), (21686, 929770), (23884, 844205), (29855, 675364), (30980, 650839), (43372, 464885), (54215, 371908), (59710, 337682), (92977, 216860), (108430, 185954), (119420, 168841)]