20404944

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:705

約数の個数: 120

約数和(自身を含む): 67471872

約数和(自身を除く): 47066928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 434, 496, 504, 558, 651, 653, 744, 868, 1008, 1116, 1302, 1306, 1488, 1736, 1953, 1959, 2232, 2604, 2612, 3472, 3906, 3918, 4464, 4571, 5208, 5224, 5877, 7812, 7836, 9142, 10416, 10448, 11754, 13713, 15624, 15672, 18284, 20243, 23508, 27426, 31248, 31344, 36568, 40486, 41139, 47016, 54852, 60729, 73136, 80972, 82278, 94032, 109704, 121458, 141701, 161944, 164556, 182187, 219408, 242916, 283402, 323888, 329112, 364374, 425103, 485832, 566804, 658224, 728748, 850206, 971664, 1133608, 1275309, 1457496, 1700412, 2267216, 2550618, 2914992, 3400824, 5101236, 6801648, 10202472, 20404944]

約数ペア:

[(1, 20404944), (2, 10202472), (3, 6801648), (4, 5101236), (6, 3400824), (7, 2914992), (8, 2550618), (9, 2267216), (12, 1700412), (14, 1457496), (16, 1275309), (18, 1133608), (21, 971664), (24, 850206), (28, 728748), (31, 658224), (36, 566804), (42, 485832), (48, 425103), (56, 364374), (62, 329112), (63, 323888), (72, 283402), (84, 242916), (93, 219408), (112, 182187), (124, 164556), (126, 161944), (144, 141701), (168, 121458), (186, 109704), (217, 94032), (248, 82278), (252, 80972), (279, 73136), (336, 60729), (372, 54852), (434, 47016), (496, 41139), (504, 40486), (558, 36568), (651, 31344), (653, 31248), (744, 27426), (868, 23508), (1008, 20243), (1116, 18284), (1302, 15672), (1306, 15624), (1488, 13713), (1736, 11754), (1953, 10448), (1959, 10416), (2232, 9142), (2604, 7836), (2612, 7812), (3472, 5877), (3906, 5224), (3918, 5208), (4464, 4571)]