20222560

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1303}}^1$

素因数の和:1415

約数の個数: 48

約数和(自身を含む): 48305376

約数和(自身を除く): 28082816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1303, 1552, 1940, 2606, 3104, 3880, 5212, 6515, 7760, 10424, 13030, 15520, 20848, 26060, 41696, 52120, 104240, 126391, 208480, 252782, 505564, 631955, 1011128, 1263910, 2022256, 2527820, 4044512, 5055640, 10111280, 20222560]

約数ペア:

[(1, 20222560), (2, 10111280), (4, 5055640), (5, 4044512), (8, 2527820), (10, 2022256), (16, 1263910), (20, 1011128), (32, 631955), (40, 505564), (80, 252782), (97, 208480), (160, 126391), (194, 104240), (388, 52120), (485, 41696), (776, 26060), (970, 20848), (1303, 15520), (1552, 13030), (1940, 10424), (2606, 7760), (3104, 6515), (3880, 5212)]