20213365550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1862983}}^1$

素因数の和:1863033

約数の個数: 48

約数和(自身を含む): 44353923072

約数和(自身を除く): 24140557522

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 2170, 5425, 10850, 1862983, 3725966, 9314915, 13040881, 18629830, 26081762, 46574575, 57752473, 65204405, 93149150, 115504946, 130408810, 288762365, 326022025, 404267311, 577524730, 652044050, 808534622, 1443811825, 2021336555, 2887623650, 4042673110, 10106682775, 20213365550]

約数ペア:

[(1, 20213365550), (2, 10106682775), (5, 4042673110), (7, 2887623650), (10, 2021336555), (14, 1443811825), (25, 808534622), (31, 652044050), (35, 577524730), (50, 404267311), (62, 326022025), (70, 288762365), (155, 130408810), (175, 115504946), (217, 93149150), (310, 65204405), (350, 57752473), (434, 46574575), (775, 26081762), (1085, 18629830), (1550, 13040881), (2170, 9314915), (5425, 3725966), (10850, 1862983)]