20187200

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 168

約数和(自身を含む): 57448704

約数和(自身を除く): 37261504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 37, 40, 44, 50, 55, 62, 64, 74, 80, 88, 100, 110, 124, 148, 155, 160, 176, 185, 200, 220, 248, 275, 296, 310, 320, 341, 352, 370, 400, 407, 440, 496, 550, 592, 620, 682, 704, 740, 775, 800, 814, 880, 925, 992, 1100, 1147, 1184, 1240, 1364, 1480, 1550, 1600, 1628, 1705, 1760, 1850, 1984, 2035, 2200, 2294, 2368, 2480, 2728, 2960, 3100, 3256, 3410, 3520, 3700, 4070, 4400, 4588, 4960, 5456, 5735, 5920, 6200, 6512, 6820, 7400, 8140, 8525, 8800, 9176, 9920, 10175, 10912, 11470, 11840, 12400, 12617, 13024, 13640, 14800, 16280, 17050, 17600, 18352, 20350, 21824, 22940, 24800, 25234, 26048, 27280, 28675, 29600, 32560, 34100, 36704, 40700, 45880, 49600, 50468, 54560, 57350, 59200, 63085, 65120, 68200, 73408, 81400, 91760, 100936, 109120, 114700, 126170, 130240, 136400, 162800, 183520, 201872, 229400, 252340, 272800, 315425, 325600, 367040, 403744, 458800, 504680, 545600, 630850, 651200, 807488, 917600, 1009360, 1261700, 1835200, 2018720, 2523400, 4037440, 5046800, 10093600, 20187200]

約数ペア:

[(1, 20187200), (2, 10093600), (4, 5046800), (5, 4037440), (8, 2523400), (10, 2018720), (11, 1835200), (16, 1261700), (20, 1009360), (22, 917600), (25, 807488), (31, 651200), (32, 630850), (37, 545600), (40, 504680), (44, 458800), (50, 403744), (55, 367040), (62, 325600), (64, 315425), (74, 272800), (80, 252340), (88, 229400), (100, 201872), (110, 183520), (124, 162800), (148, 136400), (155, 130240), (160, 126170), (176, 114700), (185, 109120), (200, 100936), (220, 91760), (248, 81400), (275, 73408), (296, 68200), (310, 65120), (320, 63085), (341, 59200), (352, 57350), (370, 54560), (400, 50468), (407, 49600), (440, 45880), (496, 40700), (550, 36704), (592, 34100), (620, 32560), (682, 29600), (704, 28675), (740, 27280), (775, 26048), (800, 25234), (814, 24800), (880, 22940), (925, 21824), (992, 20350), (1100, 18352), (1147, 17600), (1184, 17050), (1240, 16280), (1364, 14800), (1480, 13640), (1550, 13024), (1600, 12617), (1628, 12400), (1705, 11840), (1760, 11470), (1850, 10912), (1984, 10175), (2035, 9920), (2200, 9176), (2294, 8800), (2368, 8525), (2480, 8140), (2728, 7400), (2960, 6820), (3100, 6512), (3256, 6200), (3410, 5920), (3520, 5735), (3700, 5456), (4070, 4960), (4400, 4588)]