20176039960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{3727}}^1$

素因数の和:4193

約数の個数: 128

約数和(自身を含む): 50730624000

約数和(自身を除く): 30554584040

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 419, 646, 680, 760, 838, 1292, 1615, 1676, 2095, 2584, 3230, 3352, 3727, 4190, 6460, 7123, 7454, 7961, 8380, 12920, 14246, 14908, 15922, 16760, 18635, 28492, 29816, 31844, 35615, 37270, 39805, 56984, 63359, 63688, 70813, 71230, 74540, 79610, 126718, 135337, 141626, 142460, 149080, 159220, 253436, 270674, 283252, 284920, 316795, 318440, 354065, 506872, 541348, 566504, 633590, 676685, 708130, 1082696, 1203821, 1267180, 1353370, 1416260, 1561613, 2407642, 2534360, 2706740, 2832520, 3123226, 4815284, 5413480, 6019105, 6246452, 7808065, 9630568, 12038210, 12492904, 15616130, 24076420, 26547421, 29670647, 31232260, 48152840, 53094842, 59341294, 62464520, 106189684, 118682588, 132737105, 148353235, 212379368, 237365176, 265474210, 296706470, 504400999, 530948420, 593412940, 1008801998, 1061896840, 1186825880, 2017603996, 2522004995, 4035207992, 5044009990, 10088019980, 20176039960]

約数ペア:

[(1, 20176039960), (2, 10088019980), (4, 5044009990), (5, 4035207992), (8, 2522004995), (10, 2017603996), (17, 1186825880), (19, 1061896840), (20, 1008801998), (34, 593412940), (38, 530948420), (40, 504400999), (68, 296706470), (76, 265474210), (85, 237365176), (95, 212379368), (136, 148353235), (152, 132737105), (170, 118682588), (190, 106189684), (323, 62464520), (340, 59341294), (380, 53094842), (419, 48152840), (646, 31232260), (680, 29670647), (760, 26547421), (838, 24076420), (1292, 15616130), (1615, 12492904), (1676, 12038210), (2095, 9630568), (2584, 7808065), (3230, 6246452), (3352, 6019105), (3727, 5413480), (4190, 4815284), (6460, 3123226), (7123, 2832520), (7454, 2706740), (7961, 2534360), (8380, 2407642), (12920, 1561613), (14246, 1416260), (14908, 1353370), (15922, 1267180), (16760, 1203821), (18635, 1082696), (28492, 708130), (29816, 676685), (31844, 633590), (35615, 566504), (37270, 541348), (39805, 506872), (56984, 354065), (63359, 318440), (63688, 316795), (70813, 284920), (71230, 283252), (74540, 270674), (79610, 253436), (126718, 159220), (135337, 149080), (141626, 142460)]