20891909376

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{697513}}^1$

素因数の和:697548

約数の個数: 108

約数和(自身を含む): 64870197028

約数和(自身を除く): 43978287652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 768, 832, 936, 1152, 1248, 1664, 1872, 2304, 2496, 3328, 3744, 4992, 7488, 9984, 14976, 29952, 697513, 1395026, 2092539, 2790052, 4185078, 5580104, 6277617, 8370156, 9067669, 11160208, 12555234, 16740312, 18135338, 22320416, 25110468, 27203007, 33480624, 36270676, 44640832, 50220936, 54406014, 66961248, 72541352, 81609021, 89281664, 100441872, 108812028, 133922496, 145082704, 163218042, 178563328, 200883744, 217624056, 267844992, 290165408, 326436084, 401767488, 435248112, 535689984, 580330816, 652872168, 803534976, 870496224, 1160661632, 1305744336, 1607069952, 1740992448, 2321323264, 2611488672, 3481984896, 5222977344, 6963969792, 10445954688, 20891909376]

約数ペア:

[(1, 20891909376), (2, 10445954688), (3, 6963969792), (4, 5222977344), (6, 3481984896), (8, 2611488672), (9, 2321323264), (12, 1740992448), (13, 1607069952), (16, 1305744336), (18, 1160661632), (24, 870496224), (26, 803534976), (32, 652872168), (36, 580330816), (39, 535689984), (48, 435248112), (52, 401767488), (64, 326436084), (72, 290165408), (78, 267844992), (96, 217624056), (104, 200883744), (117, 178563328), (128, 163218042), (144, 145082704), (156, 133922496), (192, 108812028), (208, 100441872), (234, 89281664), (256, 81609021), (288, 72541352), (312, 66961248), (384, 54406014), (416, 50220936), (468, 44640832), (576, 36270676), (624, 33480624), (768, 27203007), (832, 25110468), (936, 22320416), (1152, 18135338), (1248, 16740312), (1664, 12555234), (1872, 11160208), (2304, 9067669), (2496, 8370156), (3328, 6277617), (3744, 5580104), (4992, 4185078), (7488, 2790052), (9984, 2092539), (14976, 1395026), (29952, 697513)]