20199963896

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1\times {\mathrm{2393}}^1$

素因数の和:3204

約数の個数: 64

約数和(自身を含む): 43533262080

約数和(自身を除く): 23333298184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 491, 614, 982, 1228, 1964, 2149, 2393, 2456, 3437, 3928, 4298, 4786, 6874, 8596, 9572, 13748, 16751, 17192, 19144, 27496, 33502, 67004, 134008, 150737, 301474, 602948, 734651, 1055159, 1174963, 1205896, 1469302, 2110318, 2349926, 2938604, 4220636, 4699852, 5142557, 5877208, 8224741, 8441272, 9399704, 10285114, 16449482, 20570228, 32898964, 41140456, 65797928, 360713641, 721427282, 1442854564, 2524995487, 2885709128, 5049990974, 10099981948, 20199963896]

約数ペア:

[(1, 20199963896), (2, 10099981948), (4, 5049990974), (7, 2885709128), (8, 2524995487), (14, 1442854564), (28, 721427282), (56, 360713641), (307, 65797928), (491, 41140456), (614, 32898964), (982, 20570228), (1228, 16449482), (1964, 10285114), (2149, 9399704), (2393, 8441272), (2456, 8224741), (3437, 5877208), (3928, 5142557), (4298, 4699852), (4786, 4220636), (6874, 2938604), (8596, 2349926), (9572, 2110318), (13748, 1469302), (16751, 1205896), (17192, 1174963), (19144, 1055159), (27496, 734651), (33502, 602948), (67004, 301474), (134008, 150737)]