20113240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2477}}^1$

素因数の和:2524

約数の個数: 64

約数和(自身を含む): 53524800

約数和(自身を除く): 33411560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2477, 4060, 4954, 8120, 9908, 12385, 17339, 19816, 24770, 34678, 49540, 69356, 71833, 86695, 99080, 138712, 143666, 173390, 287332, 346780, 359165, 502831, 574664, 693560, 718330, 1005662, 1436660, 2011324, 2514155, 2873320, 4022648, 5028310, 10056620, 20113240]

約数ペア:

[(1, 20113240), (2, 10056620), (4, 5028310), (5, 4022648), (7, 2873320), (8, 2514155), (10, 2011324), (14, 1436660), (20, 1005662), (28, 718330), (29, 693560), (35, 574664), (40, 502831), (56, 359165), (58, 346780), (70, 287332), (116, 173390), (140, 143666), (145, 138712), (203, 99080), (232, 86695), (280, 71833), (290, 69356), (406, 49540), (580, 34678), (812, 24770), (1015, 19816), (1160, 17339), (1624, 12385), (2030, 9908), (2477, 8120), (4060, 4954)]