20863856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2711}}^1$

素因数の和:2769

約数の個数: 40

約数和(自身を含む): 44726304

約数和(自身を除く): 23862448

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2711, 3848, 5422, 7696, 10844, 21688, 35243, 43376, 70486, 100307, 140972, 200614, 281944, 401228, 563888, 802456, 1303991, 1604912, 2607982, 5215964, 10431928, 20863856]

約数ペア:

[(1, 20863856), (2, 10431928), (4, 5215964), (8, 2607982), (13, 1604912), (16, 1303991), (26, 802456), (37, 563888), (52, 401228), (74, 281944), (104, 200614), (148, 140972), (208, 100307), (296, 70486), (481, 43376), (592, 35243), (962, 21688), (1924, 10844), (2711, 7696), (3848, 5422)]