20210571395

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{223}}^1\times {\mathrm{3079}}^1$

素因数の和:3372

約数の個数: 48

約数和(自身を含む): 28844175360

約数和(自身を除く): 8633603965

約数列:

[1, 5, 7, 29, 35, 145, 203, 223, 841, 1015, 1115, 1561, 3079, 4205, 5887, 6467, 7805, 15395, 21553, 29435, 32335, 45269, 89291, 107765, 187543, 226345, 446455, 625037, 686617, 937715, 1312801, 2589439, 3125185, 3433085, 4806319, 6564005, 12947195, 18126073, 19911893, 24031595, 90630365, 99559465, 139383251, 577444897, 696916255, 2887224485, 4042114279, 20210571395]

約数ペア:

[(1, 20210571395), (5, 4042114279), (7, 2887224485), (29, 696916255), (35, 577444897), (145, 139383251), (203, 99559465), (223, 90630365), (841, 24031595), (1015, 19911893), (1115, 18126073), (1561, 12947195), (3079, 6564005), (4205, 4806319), (5887, 3433085), (6467, 3125185), (7805, 2589439), (15395, 1312801), (21553, 937715), (29435, 686617), (32335, 625037), (45269, 446455), (89291, 226345), (107765, 187543)]