20354085

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1733}}^1$

素因数の和:1779

約数の個数: 40

約数和(自身を含む): 37766520

約数和(自身を除く): 17412435

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 1733, 2349, 3915, 5199, 8665, 11745, 15597, 25995, 46791, 50257, 77985, 140373, 150771, 233955, 251285, 452313, 701865, 753855, 1356939, 2261565, 4070817, 6784695, 20354085]

約数ペア:

[(1, 20354085), (3, 6784695), (5, 4070817), (9, 2261565), (15, 1356939), (27, 753855), (29, 701865), (45, 452313), (81, 251285), (87, 233955), (135, 150771), (145, 140373), (261, 77985), (405, 50257), (435, 46791), (783, 25995), (1305, 15597), (1733, 11745), (2349, 8665), (3915, 5199)]