20877564916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{133519}}^1$

素因数の和:133664

約数の個数: 48

約数和(自身を含む): 41034434560

約数和(自身を除く): 20156869644

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 97, 124, 194, 388, 403, 806, 1261, 1612, 2522, 3007, 5044, 6014, 12028, 39091, 78182, 133519, 156364, 267038, 534076, 1735747, 3471494, 4139089, 6942988, 8278178, 12951343, 16556356, 25902686, 51805372, 53808157, 107616314, 168367459, 215232628, 336734918, 401491633, 673469836, 802983266, 1605966532, 5219391229, 10438782458, 20877564916]

約数ペア:

[(1, 20877564916), (2, 10438782458), (4, 5219391229), (13, 1605966532), (26, 802983266), (31, 673469836), (52, 401491633), (62, 336734918), (97, 215232628), (124, 168367459), (194, 107616314), (388, 53808157), (403, 51805372), (806, 25902686), (1261, 16556356), (1612, 12951343), (2522, 8278178), (3007, 6942988), (5044, 4139089), (6014, 3471494), (12028, 1735747), (39091, 534076), (78182, 267038), (133519, 156364)]