20899332

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 55607552

約数和(自身を除く): 34708220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 61, 62, 93, 122, 124, 183, 186, 244, 279, 307, 366, 372, 549, 558, 614, 732, 921, 1098, 1116, 1228, 1842, 1891, 2196, 2763, 3684, 3782, 5526, 5673, 7564, 9517, 11052, 11346, 17019, 18727, 19034, 22692, 28551, 34038, 37454, 38068, 56181, 57102, 68076, 74908, 85653, 112362, 114204, 168543, 171306, 224724, 337086, 342612, 580537, 674172, 1161074, 1741611, 2322148, 3483222, 5224833, 6966444, 10449666, 20899332]

約数ペア:

[(1, 20899332), (2, 10449666), (3, 6966444), (4, 5224833), (6, 3483222), (9, 2322148), (12, 1741611), (18, 1161074), (31, 674172), (36, 580537), (61, 342612), (62, 337086), (93, 224724), (122, 171306), (124, 168543), (183, 114204), (186, 112362), (244, 85653), (279, 74908), (307, 68076), (366, 57102), (372, 56181), (549, 38068), (558, 37454), (614, 34038), (732, 28551), (921, 22692), (1098, 19034), (1116, 18727), (1228, 17019), (1842, 11346), (1891, 11052), (2196, 9517), (2763, 7564), (3684, 5673), (3782, 5526)]