20524680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 74805120

約数和(自身を除く): 54280440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 71, 72, 73, 88, 90, 99, 110, 120, 132, 142, 146, 165, 180, 198, 213, 219, 220, 264, 284, 292, 330, 355, 360, 365, 396, 426, 438, 440, 495, 568, 584, 639, 657, 660, 710, 730, 781, 792, 803, 852, 876, 990, 1065, 1095, 1278, 1314, 1320, 1420, 1460, 1562, 1606, 1704, 1752, 1980, 2130, 2190, 2343, 2409, 2556, 2628, 2840, 2920, 3124, 3195, 3212, 3285, 3905, 3960, 4015, 4260, 4380, 4686, 4818, 5112, 5183, 5256, 6248, 6390, 6424, 6570, 7029, 7227, 7810, 8030, 8520, 8760, 9372, 9636, 10366, 11715, 12045, 12780, 13140, 14058, 14454, 15549, 15620, 16060, 18744, 19272, 20732, 23430, 24090, 25560, 25915, 26280, 28116, 28908, 31098, 31240, 32120, 35145, 36135, 41464, 46647, 46860, 48180, 51830, 56232, 57013, 57816, 62196, 70290, 72270, 77745, 93294, 93720, 96360, 103660, 114026, 124392, 140580, 144540, 155490, 171039, 186588, 207320, 228052, 233235, 281160, 285065, 289080, 310980, 342078, 373176, 456104, 466470, 513117, 570130, 621960, 684156, 855195, 932940, 1026234, 1140260, 1368312, 1710390, 1865880, 2052468, 2280520, 2565585, 3420780, 4104936, 5131170, 6841560, 10262340, 20524680]

約数ペア:

[(1, 20524680), (2, 10262340), (3, 6841560), (4, 5131170), (5, 4104936), (6, 3420780), (8, 2565585), (9, 2280520), (10, 2052468), (11, 1865880), (12, 1710390), (15, 1368312), (18, 1140260), (20, 1026234), (22, 932940), (24, 855195), (30, 684156), (33, 621960), (36, 570130), (40, 513117), (44, 466470), (45, 456104), (55, 373176), (60, 342078), (66, 310980), (71, 289080), (72, 285065), (73, 281160), (88, 233235), (90, 228052), (99, 207320), (110, 186588), (120, 171039), (132, 155490), (142, 144540), (146, 140580), (165, 124392), (180, 114026), (198, 103660), (213, 96360), (219, 93720), (220, 93294), (264, 77745), (284, 72270), (292, 70290), (330, 62196), (355, 57816), (360, 57013), (365, 56232), (396, 51830), (426, 48180), (438, 46860), (440, 46647), (495, 41464), (568, 36135), (584, 35145), (639, 32120), (657, 31240), (660, 31098), (710, 28908), (730, 28116), (781, 26280), (792, 25915), (803, 25560), (852, 24090), (876, 23430), (990, 20732), (1065, 19272), (1095, 18744), (1278, 16060), (1314, 15620), (1320, 15549), (1420, 14454), (1460, 14058), (1562, 13140), (1606, 12780), (1704, 12045), (1752, 11715), (1980, 10366), (2130, 9636), (2190, 9372), (2343, 8760), (2409, 8520), (2556, 8030), (2628, 7810), (2840, 7227), (2920, 7029), (3124, 6570), (3195, 6424), (3212, 6390), (3285, 6248), (3905, 5256), (3960, 5183), (4015, 5112), (4260, 4818), (4380, 4686)]