20227979680

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{446731}}^1$

素因数の和:447029

約数の個数: 48

約数和(自身を含む): 47957573664

約数和(自身を除く): 27729593984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 1132, 1415, 2264, 2830, 4528, 5660, 9056, 11320, 22640, 45280, 446731, 893462, 1786924, 2233655, 3573848, 4467310, 7147696, 8934620, 14295392, 17869240, 35738480, 71476960, 126424873, 252849746, 505699492, 632124365, 1011398984, 1264248730, 2022797968, 2528497460, 4045595936, 5056994920, 10113989840, 20227979680]

約数ペア:

[(1, 20227979680), (2, 10113989840), (4, 5056994920), (5, 4045595936), (8, 2528497460), (10, 2022797968), (16, 1264248730), (20, 1011398984), (32, 632124365), (40, 505699492), (80, 252849746), (160, 126424873), (283, 71476960), (566, 35738480), (1132, 17869240), (1415, 14295392), (2264, 8934620), (2830, 7147696), (4528, 4467310), (5660, 3573848), (9056, 2233655), (11320, 1786924), (22640, 893462), (45280, 446731)]