20585270

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 38009952

約数和(自身を除く): 17424682

約数列:

[1, 2, 5, 10, 73, 146, 163, 173, 326, 346, 365, 730, 815, 865, 1630, 1730, 11899, 12629, 23798, 25258, 28199, 56398, 59495, 63145, 118990, 126290, 140995, 281990, 2058527, 4117054, 10292635, 20585270]

約数ペア:

[(1, 20585270), (2, 10292635), (5, 4117054), (10, 2058527), (73, 281990), (146, 140995), (163, 126290), (173, 118990), (326, 63145), (346, 59495), (365, 56398), (730, 28199), (815, 25258), (865, 23798), (1630, 12629), (1730, 11899)]