20347987408

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{6967}}^1$

素因数の和:7364

約数の個数: 80

約数和(自身を含む): 45724573440

約数和(自身を除く): 25376586032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 293, 356, 586, 623, 712, 1172, 1246, 1424, 2051, 2344, 2492, 4102, 4688, 4984, 6967, 8204, 9968, 13934, 16408, 26077, 27868, 32816, 48769, 52154, 55736, 97538, 104308, 111472, 182539, 195076, 208616, 365078, 390152, 417232, 620063, 730156, 780304, 1240126, 1460312, 2041331, 2480252, 2920624, 4082662, 4340441, 4960504, 8165324, 8680882, 9921008, 14289317, 16330648, 17361764, 28578634, 32661296, 34723528, 57157268, 69447056, 114314536, 181678459, 228629072, 363356918, 726713836, 1271749213, 1453427672, 2543498426, 2906855344, 5086996852, 10173993704, 20347987408]

約数ペア:

[(1, 20347987408), (2, 10173993704), (4, 5086996852), (7, 2906855344), (8, 2543498426), (14, 1453427672), (16, 1271749213), (28, 726713836), (56, 363356918), (89, 228629072), (112, 181678459), (178, 114314536), (293, 69447056), (356, 57157268), (586, 34723528), (623, 32661296), (712, 28578634), (1172, 17361764), (1246, 16330648), (1424, 14289317), (2051, 9921008), (2344, 8680882), (2492, 8165324), (4102, 4960504), (4688, 4340441), (4984, 4082662), (6967, 2920624), (8204, 2480252), (9968, 2041331), (13934, 1460312), (16408, 1240126), (26077, 780304), (27868, 730156), (32816, 620063), (48769, 417232), (52154, 390152), (55736, 365078), (97538, 208616), (104308, 195076), (111472, 182539)]