20301900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 63329280

約数和(自身を除く): 43027380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 37, 50, 59, 60, 62, 74, 75, 93, 100, 111, 118, 124, 148, 150, 155, 177, 185, 186, 222, 236, 295, 300, 310, 354, 370, 372, 444, 465, 555, 590, 620, 708, 740, 775, 885, 925, 930, 1110, 1147, 1180, 1475, 1550, 1770, 1829, 1850, 1860, 2183, 2220, 2294, 2325, 2775, 2950, 3100, 3441, 3540, 3658, 3700, 4366, 4425, 4588, 4650, 5487, 5550, 5735, 5900, 6549, 6882, 7316, 8732, 8850, 9145, 9300, 10915, 10974, 11100, 11470, 13098, 13764, 17205, 17700, 18290, 21830, 21948, 22940, 26196, 27435, 28675, 32745, 34410, 36580, 43660, 45725, 54575, 54870, 57350, 65490, 67673, 68820, 86025, 91450, 109150, 109740, 114700, 130980, 135346, 137175, 163725, 172050, 182900, 203019, 218300, 270692, 274350, 327450, 338365, 344100, 406038, 548700, 654900, 676730, 812076, 1015095, 1353460, 1691825, 2030190, 3383650, 4060380, 5075475, 6767300, 10150950, 20301900]

約数ペア:

[(1, 20301900), (2, 10150950), (3, 6767300), (4, 5075475), (5, 4060380), (6, 3383650), (10, 2030190), (12, 1691825), (15, 1353460), (20, 1015095), (25, 812076), (30, 676730), (31, 654900), (37, 548700), (50, 406038), (59, 344100), (60, 338365), (62, 327450), (74, 274350), (75, 270692), (93, 218300), (100, 203019), (111, 182900), (118, 172050), (124, 163725), (148, 137175), (150, 135346), (155, 130980), (177, 114700), (185, 109740), (186, 109150), (222, 91450), (236, 86025), (295, 68820), (300, 67673), (310, 65490), (354, 57350), (370, 54870), (372, 54575), (444, 45725), (465, 43660), (555, 36580), (590, 34410), (620, 32745), (708, 28675), (740, 27435), (775, 26196), (885, 22940), (925, 21948), (930, 21830), (1110, 18290), (1147, 17700), (1180, 17205), (1475, 13764), (1550, 13098), (1770, 11470), (1829, 11100), (1850, 10974), (1860, 10915), (2183, 9300), (2220, 9145), (2294, 8850), (2325, 8732), (2775, 7316), (2950, 6882), (3100, 6549), (3441, 5900), (3540, 5735), (3658, 5550), (3700, 5487), (4366, 4650), (4425, 4588)]