20636430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 30685170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 89, 118, 131, 177, 178, 262, 267, 295, 354, 393, 445, 534, 590, 655, 786, 885, 890, 1310, 1335, 1770, 1965, 2670, 3930, 5251, 7729, 10502, 11659, 15458, 15753, 23187, 23318, 26255, 31506, 34977, 38645, 46374, 52510, 58295, 69954, 77290, 78765, 115935, 116590, 157530, 174885, 231870, 349770, 687881, 1375762, 2063643, 3439405, 4127286, 6878810, 10318215, 20636430]

約数ペア:

[(1, 20636430), (2, 10318215), (3, 6878810), (5, 4127286), (6, 3439405), (10, 2063643), (15, 1375762), (30, 687881), (59, 349770), (89, 231870), (118, 174885), (131, 157530), (177, 116590), (178, 115935), (262, 78765), (267, 77290), (295, 69954), (354, 58295), (393, 52510), (445, 46374), (534, 38645), (590, 34977), (655, 31506), (786, 26255), (885, 23318), (890, 23187), (1310, 15753), (1335, 15458), (1770, 11659), (1965, 10502), (2670, 7729), (3930, 5251)]