20287530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2591}}^1$

素因数の和:2636

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 35699670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2591, 2610, 3915, 5182, 7773, 7830, 12955, 15546, 23319, 25910, 38865, 46638, 69957, 75139, 77730, 116595, 139914, 150278, 225417, 233190, 349785, 375695, 450834, 676251, 699570, 751390, 1127085, 1352502, 2028753, 2254170, 3381255, 4057506, 6762510, 10143765, 20287530]

約数ペア:

[(1, 20287530), (2, 10143765), (3, 6762510), (5, 4057506), (6, 3381255), (9, 2254170), (10, 2028753), (15, 1352502), (18, 1127085), (27, 751390), (29, 699570), (30, 676251), (45, 450834), (54, 375695), (58, 349785), (87, 233190), (90, 225417), (135, 150278), (145, 139914), (174, 116595), (261, 77730), (270, 75139), (290, 69957), (435, 46638), (522, 38865), (783, 25910), (870, 23319), (1305, 15546), (1566, 12955), (2591, 7830), (2610, 7773), (3915, 5182)]