20851896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 58106160

約数和(自身を除く): 37254264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 97, 104, 106, 156, 159, 169, 194, 212, 291, 312, 318, 338, 388, 424, 507, 582, 636, 676, 689, 776, 1014, 1164, 1261, 1272, 1352, 1378, 2028, 2067, 2328, 2522, 2756, 3783, 4056, 4134, 5044, 5141, 5512, 7566, 8268, 8957, 10088, 10282, 15132, 15423, 16393, 16536, 17914, 20564, 26871, 30264, 30846, 32786, 35828, 41128, 49179, 53742, 61692, 65572, 66833, 71656, 98358, 107484, 123384, 131144, 133666, 196716, 200499, 214968, 267332, 393432, 400998, 534664, 801996, 868829, 1603992, 1737658, 2606487, 3475316, 5212974, 6950632, 10425948, 20851896]

約数ペア:

[(1, 20851896), (2, 10425948), (3, 6950632), (4, 5212974), (6, 3475316), (8, 2606487), (12, 1737658), (13, 1603992), (24, 868829), (26, 801996), (39, 534664), (52, 400998), (53, 393432), (78, 267332), (97, 214968), (104, 200499), (106, 196716), (156, 133666), (159, 131144), (169, 123384), (194, 107484), (212, 98358), (291, 71656), (312, 66833), (318, 65572), (338, 61692), (388, 53742), (424, 49179), (507, 41128), (582, 35828), (636, 32786), (676, 30846), (689, 30264), (776, 26871), (1014, 20564), (1164, 17914), (1261, 16536), (1272, 16393), (1352, 15423), (1378, 15132), (2028, 10282), (2067, 10088), (2328, 8957), (2522, 8268), (2756, 7566), (3783, 5512), (4056, 5141), (4134, 5044)]