20173885072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1\times {\mathrm{1579}}^1$

素因数の和:2144

約数の個数: 80

約数和(自身を含む): 42988766400

約数和(自身を除く): 22814881328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 229, 317, 458, 634, 916, 1268, 1579, 1832, 2519, 2536, 3158, 3487, 3664, 5038, 5072, 6316, 6974, 10076, 12632, 13948, 17369, 20152, 25264, 27896, 34738, 40304, 55792, 69476, 72593, 138952, 145186, 277904, 290372, 361591, 500543, 580744, 723182, 798523, 1001086, 1161488, 1446364, 1597046, 2002172, 2892728, 3194092, 3977501, 4004344, 5505973, 5785456, 6388184, 7955002, 8008688, 11011946, 12776368, 15910004, 22023892, 31820008, 44047784, 63640016, 88095568, 114624347, 229248694, 458497388, 916994776, 1260867817, 1833989552, 2521735634, 5043471268, 10086942536, 20173885072]

約数ペア:

[(1, 20173885072), (2, 10086942536), (4, 5043471268), (8, 2521735634), (11, 1833989552), (16, 1260867817), (22, 916994776), (44, 458497388), (88, 229248694), (176, 114624347), (229, 88095568), (317, 63640016), (458, 44047784), (634, 31820008), (916, 22023892), (1268, 15910004), (1579, 12776368), (1832, 11011946), (2519, 8008688), (2536, 7955002), (3158, 6388184), (3487, 5785456), (3664, 5505973), (5038, 4004344), (5072, 3977501), (6316, 3194092), (6974, 2892728), (10076, 2002172), (12632, 1597046), (13948, 1446364), (17369, 1161488), (20152, 1001086), (25264, 798523), (27896, 723182), (34738, 580744), (40304, 500543), (55792, 361591), (69476, 290372), (72593, 277904), (138952, 145186)]