20537868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{761}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 51974496

約数和(自身を除く): 31436628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 173, 346, 519, 692, 761, 1038, 1522, 2076, 2249, 2283, 3044, 4498, 4566, 6747, 8996, 9132, 9893, 13494, 19786, 26988, 29679, 39572, 59358, 118716, 131653, 263306, 394959, 526612, 789918, 1579836, 1711489, 3422978, 5134467, 6845956, 10268934, 20537868]

約数ペア:

[(1, 20537868), (2, 10268934), (3, 6845956), (4, 5134467), (6, 3422978), (12, 1711489), (13, 1579836), (26, 789918), (39, 526612), (52, 394959), (78, 263306), (156, 131653), (173, 118716), (346, 59358), (519, 39572), (692, 29679), (761, 26988), (1038, 19786), (1522, 13494), (2076, 9893), (2249, 9132), (2283, 8996), (3044, 6747), (4498, 4566)]