20163886164

素因数分解:

$2^2\times 3^2\times {\mathrm{271}}^1\times {\mathrm{853}}^1\times {\mathrm{2423}}^1$

素因数の和:3557

約数の個数: 72

約数和(自身を含む): 51239016192

約数和(自身を除く): 31075130028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 271, 542, 813, 853, 1084, 1626, 1706, 2423, 2439, 2559, 3252, 3412, 4846, 4878, 5118, 7269, 7677, 9692, 9756, 10236, 14538, 15354, 21807, 29076, 30708, 43614, 87228, 231163, 462326, 656633, 693489, 924652, 1313266, 1386978, 1969899, 2066819, 2080467, 2626532, 2773956, 3939798, 4133638, 4160934, 5909697, 6200457, 7879596, 8267276, 8321868, 11819394, 12400914, 18601371, 23638788, 24801828, 37202742, 74405484, 560107949, 1120215898, 1680323847, 2240431796, 3360647694, 5040971541, 6721295388, 10081943082, 20163886164]

約数ペア:

[(1, 20163886164), (2, 10081943082), (3, 6721295388), (4, 5040971541), (6, 3360647694), (9, 2240431796), (12, 1680323847), (18, 1120215898), (36, 560107949), (271, 74405484), (542, 37202742), (813, 24801828), (853, 23638788), (1084, 18601371), (1626, 12400914), (1706, 11819394), (2423, 8321868), (2439, 8267276), (2559, 7879596), (3252, 6200457), (3412, 5909697), (4846, 4160934), (4878, 4133638), (5118, 3939798), (7269, 2773956), (7677, 2626532), (9692, 2080467), (9756, 2066819), (10236, 1969899), (14538, 1386978), (15354, 1313266), (21807, 924652), (29076, 693489), (30708, 656633), (43614, 462326), (87228, 231163)]