20512232636

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1\times {\mathrm{10459}}^1$

素因数の和:11346

約数の個数: 48

約数和(自身を含む): 41542099200

約数和(自身を除く): 21029866564

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 787, 1246, 1574, 2492, 3148, 5509, 10459, 11018, 20918, 22036, 41836, 70043, 73213, 140086, 146426, 280172, 292852, 490301, 930851, 980602, 1861702, 1961204, 3723404, 6515957, 8231233, 13031914, 16462466, 26063828, 32924932, 57618631, 115237262, 230474524, 732579737, 1465159474, 2930318948, 5128058159, 10256116318, 20512232636]

約数ペア:

[(1, 20512232636), (2, 10256116318), (4, 5128058159), (7, 2930318948), (14, 1465159474), (28, 732579737), (89, 230474524), (178, 115237262), (356, 57618631), (623, 32924932), (787, 26063828), (1246, 16462466), (1574, 13031914), (2492, 8231233), (3148, 6515957), (5509, 3723404), (10459, 1961204), (11018, 1861702), (20918, 980602), (22036, 930851), (41836, 490301), (70043, 292852), (73213, 280172), (140086, 146426)]