20687564876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{74761}}^1$

素因数の和:75126

約数の個数: 48

約数和(自身を含む): 41699253120

約数和(自身を除く): 21011688244

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 331, 418, 662, 836, 1324, 3641, 6289, 7282, 12578, 14564, 25156, 69179, 74761, 138358, 149522, 276716, 299044, 822371, 1420459, 1644742, 2840918, 3289484, 5681836, 15625049, 24745891, 31250098, 49491782, 62500196, 98983564, 272204801, 470171929, 544409602, 940343858, 1088819204, 1880687716, 5171891219, 10343782438, 20687564876]

約数ペア:

[(1, 20687564876), (2, 10343782438), (4, 5171891219), (11, 1880687716), (19, 1088819204), (22, 940343858), (38, 544409602), (44, 470171929), (76, 272204801), (209, 98983564), (331, 62500196), (418, 49491782), (662, 31250098), (836, 24745891), (1324, 15625049), (3641, 5681836), (6289, 3289484), (7282, 2840918), (12578, 1644742), (14564, 1420459), (25156, 822371), (69179, 299044), (74761, 276716), (138358, 149522)]