20442864

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^2$

素因数の和:386

約数の個数: 60

約数和(自身を含む): 57189048

約数和(自身を除く): 36746184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 181, 208, 312, 362, 543, 624, 724, 1086, 1448, 2172, 2353, 2896, 4344, 4706, 7059, 8688, 9412, 14118, 18824, 28236, 32761, 37648, 56472, 65522, 98283, 112944, 131044, 196566, 262088, 393132, 425893, 524176, 786264, 851786, 1277679, 1572528, 1703572, 2555358, 3407144, 5110716, 6814288, 10221432, 20442864]

約数ペア:

[(1, 20442864), (2, 10221432), (3, 6814288), (4, 5110716), (6, 3407144), (8, 2555358), (12, 1703572), (13, 1572528), (16, 1277679), (24, 851786), (26, 786264), (39, 524176), (48, 425893), (52, 393132), (78, 262088), (104, 196566), (156, 131044), (181, 112944), (208, 98283), (312, 65522), (362, 56472), (543, 37648), (624, 32761), (724, 28236), (1086, 18824), (1448, 14118), (2172, 9412), (2353, 8688), (2896, 7059), (4344, 4706)]