20609190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32713}}^1$

素因数の和:32733

約数の個数: 48

約数和(自身を含む): 61240608

約数和(自身を除く): 40631418

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32713, 65426, 98139, 163565, 196278, 228991, 294417, 327130, 457982, 490695, 588834, 686973, 981390, 1144955, 1373946, 1472085, 2060919, 2289910, 2944170, 3434865, 4121838, 6869730, 10304595, 20609190]

約数ペア:

[(1, 20609190), (2, 10304595), (3, 6869730), (5, 4121838), (6, 3434865), (7, 2944170), (9, 2289910), (10, 2060919), (14, 1472085), (15, 1373946), (18, 1144955), (21, 981390), (30, 686973), (35, 588834), (42, 490695), (45, 457982), (63, 327130), (70, 294417), (90, 228991), (105, 196278), (126, 163565), (210, 98139), (315, 65426), (630, 32713)]