20148846488

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:717

約数の個数: 96

約数和(自身を含む): 40783869360

約数和(自身を除く): 20635022872

約数列:

[1, 2, 4, 8, 17, 34, 68, 113, 136, 226, 233, 289, 331, 452, 466, 578, 662, 904, 932, 1156, 1324, 1864, 1921, 2312, 2648, 3842, 3961, 5627, 7684, 7922, 11254, 15368, 15844, 22508, 26329, 31688, 32657, 37403, 45016, 52658, 65314, 67337, 74806, 77123, 95659, 105316, 130628, 134674, 149612, 154246, 191318, 210632, 261256, 269348, 299224, 308492, 382636, 447593, 538696, 616984, 635851, 765272, 895186, 1271702, 1311091, 1790372, 2543404, 2622182, 3580744, 5086808, 5244364, 7609081, 8714899, 10488728, 10809467, 15218162, 17429798, 21618934, 22288547, 30436324, 34859596, 43237868, 44577094, 60872648, 69719192, 86475736, 89154188, 148153283, 178308376, 296306566, 592613132, 1185226264, 2518605811, 5037211622, 10074423244, 20148846488]

約数ペア:

[(1, 20148846488), (2, 10074423244), (4, 5037211622), (8, 2518605811), (17, 1185226264), (34, 592613132), (68, 296306566), (113, 178308376), (136, 148153283), (226, 89154188), (233, 86475736), (289, 69719192), (331, 60872648), (452, 44577094), (466, 43237868), (578, 34859596), (662, 30436324), (904, 22288547), (932, 21618934), (1156, 17429798), (1324, 15218162), (1864, 10809467), (1921, 10488728), (2312, 8714899), (2648, 7609081), (3842, 5244364), (3961, 5086808), (5627, 3580744), (7684, 2622182), (7922, 2543404), (11254, 1790372), (15368, 1311091), (15844, 1271702), (22508, 895186), (26329, 765272), (31688, 635851), (32657, 616984), (37403, 538696), (45016, 447593), (52658, 382636), (65314, 308492), (67337, 299224), (74806, 269348), (77123, 261256), (95659, 210632), (105316, 191318), (130628, 154246), (134674, 149612)]