20153395864

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{19777}}^1$

素因数の和:20408

約数の個数: 64

約数和(自身を含む): 44657141760

約数和(自身を除く): 24503745896

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 587, 868, 1174, 1736, 2348, 4109, 4696, 8218, 16436, 18197, 19777, 32872, 36394, 39554, 72788, 79108, 127379, 138439, 145576, 158216, 254758, 276878, 509516, 553756, 613087, 1019032, 1107512, 1226174, 2452348, 4291609, 4904696, 8583218, 11609099, 17166436, 23218198, 34332872, 46436396, 81263693, 92872792, 162527386, 325054772, 359882069, 650109544, 719764138, 1439528276, 2519174483, 2879056552, 5038348966, 10076697932, 20153395864]

約数ペア:

[(1, 20153395864), (2, 10076697932), (4, 5038348966), (7, 2879056552), (8, 2519174483), (14, 1439528276), (28, 719764138), (31, 650109544), (56, 359882069), (62, 325054772), (124, 162527386), (217, 92872792), (248, 81263693), (434, 46436396), (587, 34332872), (868, 23218198), (1174, 17166436), (1736, 11609099), (2348, 8583218), (4109, 4904696), (4696, 4291609), (8218, 2452348), (16436, 1226174), (18197, 1107512), (19777, 1019032), (32872, 613087), (36394, 553756), (39554, 509516), (72788, 276878), (79108, 254758), (127379, 158216), (138439, 145576)]