20131781237

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{6481}}^1$

素因数の和:6653

約数の個数: 32

約数和(自身を含む): 22177774080

約数和(自身を除く): 2045992843

約数列:

[1, 29, 43, 47, 53, 1247, 1363, 1537, 2021, 2279, 2491, 6481, 58609, 66091, 72239, 107113, 187949, 278683, 304607, 343493, 3106277, 8081807, 8833603, 9961297, 13098101, 14770199, 16144171, 379844929, 428335771, 468180959, 694199353, 20131781237]

約数ペア:

[(1, 20131781237), (29, 694199353), (43, 468180959), (47, 428335771), (53, 379844929), (1247, 16144171), (1363, 14770199), (1537, 13098101), (2021, 9961297), (2279, 8833603), (2491, 8081807), (6481, 3106277), (58609, 343493), (66091, 304607), (72239, 278683), (107113, 187949)]