20031390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9677}}^1$

素因数の和:9713

約数の個数: 48

約数和(自身を含む): 54351648

約数和(自身を除く): 34320258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9677, 19354, 29031, 48385, 58062, 87093, 96770, 145155, 174186, 222571, 290310, 435465, 445142, 667713, 870930, 1112855, 1335426, 2003139, 2225710, 3338565, 4006278, 6677130, 10015695, 20031390]

約数ペア:

[(1, 20031390), (2, 10015695), (3, 6677130), (5, 4006278), (6, 3338565), (9, 2225710), (10, 2003139), (15, 1335426), (18, 1112855), (23, 870930), (30, 667713), (45, 445142), (46, 435465), (69, 290310), (90, 222571), (115, 174186), (138, 145155), (207, 96770), (230, 87093), (345, 58062), (414, 48385), (690, 29031), (1035, 19354), (2070, 9677)]