20512991508

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{47129}}^1$

素因数の和:47261

約数の個数: 96

約数和(自身を含む): 53207884800

約数和(自身を除く): 32694893292

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 83, 92, 114, 138, 166, 228, 249, 276, 332, 437, 498, 874, 996, 1311, 1577, 1748, 1909, 2622, 3154, 3818, 4731, 5244, 5727, 6308, 7636, 9462, 11454, 18924, 22908, 36271, 47129, 72542, 94258, 108813, 141387, 145084, 188516, 217626, 282774, 435252, 565548, 895451, 1083967, 1790902, 2167934, 2686353, 3251901, 3581804, 3911707, 4335868, 5372706, 6503802, 7823414, 10745412, 11735121, 13007604, 15646828, 20595373, 23470242, 41190746, 46940484, 61786119, 74322433, 82381492, 89969261, 123572238, 148644866, 179938522, 222967299, 247144476, 269907783, 297289732, 359877044, 445934598, 539815566, 891869196, 1079631132, 1709415959, 3418831918, 5128247877, 6837663836, 10256495754, 20512991508]

約数ペア:

[(1, 20512991508), (2, 10256495754), (3, 6837663836), (4, 5128247877), (6, 3418831918), (12, 1709415959), (19, 1079631132), (23, 891869196), (38, 539815566), (46, 445934598), (57, 359877044), (69, 297289732), (76, 269907783), (83, 247144476), (92, 222967299), (114, 179938522), (138, 148644866), (166, 123572238), (228, 89969261), (249, 82381492), (276, 74322433), (332, 61786119), (437, 46940484), (498, 41190746), (874, 23470242), (996, 20595373), (1311, 15646828), (1577, 13007604), (1748, 11735121), (1909, 10745412), (2622, 7823414), (3154, 6503802), (3818, 5372706), (4731, 4335868), (5244, 3911707), (5727, 3581804), (6308, 3251901), (7636, 2686353), (9462, 2167934), (11454, 1790902), (18924, 1083967), (22908, 895451), (36271, 565548), (47129, 435252), (72542, 282774), (94258, 217626), (108813, 188516), (141387, 145084)]