20624100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 216

約数和(自身を含む): 73620288

約数和(自身を除く): 52996188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 49, 50, 60, 61, 69, 70, 75, 84, 92, 98, 100, 105, 115, 122, 138, 140, 147, 150, 161, 175, 183, 196, 210, 230, 244, 245, 276, 294, 300, 305, 322, 345, 350, 366, 420, 427, 460, 483, 490, 525, 575, 588, 610, 644, 690, 700, 732, 735, 805, 854, 915, 966, 980, 1050, 1127, 1150, 1220, 1225, 1281, 1380, 1403, 1470, 1525, 1610, 1708, 1725, 1830, 1932, 2100, 2135, 2254, 2300, 2415, 2450, 2562, 2806, 2940, 2989, 3050, 3220, 3381, 3450, 3660, 3675, 4025, 4209, 4270, 4508, 4575, 4830, 4900, 5124, 5612, 5635, 5978, 6100, 6405, 6762, 6900, 7015, 7350, 8050, 8418, 8540, 8967, 9150, 9660, 9821, 10675, 11270, 11956, 12075, 12810, 13524, 14030, 14700, 14945, 16100, 16836, 16905, 17934, 18300, 19642, 21045, 21350, 22540, 24150, 25620, 28060, 28175, 29463, 29890, 32025, 33810, 35075, 35868, 39284, 42090, 42700, 44835, 48300, 49105, 56350, 58926, 59780, 64050, 67620, 68747, 70150, 74725, 84180, 84525, 89670, 98210, 105225, 112700, 117852, 128100, 137494, 140300, 147315, 149450, 169050, 179340, 196420, 206241, 210450, 224175, 245525, 274988, 294630, 298900, 338100, 343735, 412482, 420900, 448350, 491050, 589260, 687470, 736575, 824964, 896700, 982100, 1031205, 1374940, 1473150, 1718675, 2062410, 2946300, 3437350, 4124820, 5156025, 6874700, 10312050, 20624100]

約数ペア:

[(1, 20624100), (2, 10312050), (3, 6874700), (4, 5156025), (5, 4124820), (6, 3437350), (7, 2946300), (10, 2062410), (12, 1718675), (14, 1473150), (15, 1374940), (20, 1031205), (21, 982100), (23, 896700), (25, 824964), (28, 736575), (30, 687470), (35, 589260), (42, 491050), (46, 448350), (49, 420900), (50, 412482), (60, 343735), (61, 338100), (69, 298900), (70, 294630), (75, 274988), (84, 245525), (92, 224175), (98, 210450), (100, 206241), (105, 196420), (115, 179340), (122, 169050), (138, 149450), (140, 147315), (147, 140300), (150, 137494), (161, 128100), (175, 117852), (183, 112700), (196, 105225), (210, 98210), (230, 89670), (244, 84525), (245, 84180), (276, 74725), (294, 70150), (300, 68747), (305, 67620), (322, 64050), (345, 59780), (350, 58926), (366, 56350), (420, 49105), (427, 48300), (460, 44835), (483, 42700), (490, 42090), (525, 39284), (575, 35868), (588, 35075), (610, 33810), (644, 32025), (690, 29890), (700, 29463), (732, 28175), (735, 28060), (805, 25620), (854, 24150), (915, 22540), (966, 21350), (980, 21045), (1050, 19642), (1127, 18300), (1150, 17934), (1220, 16905), (1225, 16836), (1281, 16100), (1380, 14945), (1403, 14700), (1470, 14030), (1525, 13524), (1610, 12810), (1708, 12075), (1725, 11956), (1830, 11270), (1932, 10675), (2100, 9821), (2135, 9660), (2254, 9150), (2300, 8967), (2415, 8540), (2450, 8418), (2562, 8050), (2806, 7350), (2940, 7015), (2989, 6900), (3050, 6762), (3220, 6405), (3381, 6100), (3450, 5978), (3660, 5635), (3675, 5612), (4025, 5124), (4209, 4900), (4270, 4830), (4508, 4575)]