20171952

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2058

約数の個数: 60

約数和(自身を含む): 57277584

約数和(自身を除く): 37105632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 1973, 2556, 3408, 3946, 5112, 5919, 7892, 10224, 11838, 15784, 17757, 23676, 31568, 35514, 47352, 71028, 94704, 140083, 142056, 280166, 284112, 420249, 560332, 840498, 1120664, 1260747, 1680996, 2241328, 2521494, 3361992, 5042988, 6723984, 10085976, 20171952]

約数ペア:

[(1, 20171952), (2, 10085976), (3, 6723984), (4, 5042988), (6, 3361992), (8, 2521494), (9, 2241328), (12, 1680996), (16, 1260747), (18, 1120664), (24, 840498), (36, 560332), (48, 420249), (71, 284112), (72, 280166), (142, 142056), (144, 140083), (213, 94704), (284, 71028), (426, 47352), (568, 35514), (639, 31568), (852, 23676), (1136, 17757), (1278, 15784), (1704, 11838), (1973, 10224), (2556, 7892), (3408, 5919), (3946, 5112)]