20903472

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8539}}^1$

素因数の和:8570

約数の個数: 60

約数和(自身を含む): 61949160

約数和(自身を除く): 41045688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8539, 17078, 25617, 34156, 51234, 68312, 76851, 102468, 136624, 145163, 153702, 204936, 290326, 307404, 409872, 435489, 580652, 614808, 870978, 1161304, 1229616, 1306467, 1741956, 2322608, 2612934, 3483912, 5225868, 6967824, 10451736, 20903472]

約数ペア:

[(1, 20903472), (2, 10451736), (3, 6967824), (4, 5225868), (6, 3483912), (8, 2612934), (9, 2322608), (12, 1741956), (16, 1306467), (17, 1229616), (18, 1161304), (24, 870978), (34, 614808), (36, 580652), (48, 435489), (51, 409872), (68, 307404), (72, 290326), (102, 204936), (136, 153702), (144, 145163), (153, 136624), (204, 102468), (272, 76851), (306, 68312), (408, 51234), (612, 34156), (816, 25617), (1224, 17078), (2448, 8539)]