20269080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 73120320

約数和(自身を除く): 52851240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 61, 65, 71, 72, 78, 90, 104, 117, 120, 122, 130, 142, 156, 180, 183, 195, 213, 234, 244, 260, 284, 305, 312, 355, 360, 366, 390, 426, 468, 488, 520, 549, 568, 585, 610, 639, 710, 732, 780, 793, 852, 915, 923, 936, 1065, 1098, 1170, 1220, 1278, 1420, 1464, 1560, 1586, 1704, 1830, 1846, 2130, 2196, 2340, 2379, 2440, 2556, 2745, 2769, 2840, 3172, 3195, 3660, 3692, 3965, 4260, 4331, 4392, 4615, 4680, 4758, 5112, 5490, 5538, 6344, 6390, 7137, 7320, 7384, 7930, 8307, 8520, 8662, 9230, 9516, 10980, 11076, 11895, 12780, 12993, 13845, 14274, 15860, 16614, 17324, 18460, 19032, 21655, 21960, 22152, 23790, 25560, 25986, 27690, 28548, 31720, 33228, 34648, 35685, 36920, 38979, 41535, 43310, 47580, 51972, 55380, 56303, 57096, 64965, 66456, 71370, 77958, 83070, 86620, 95160, 103944, 110760, 112606, 129930, 142740, 155916, 166140, 168909, 173240, 194895, 225212, 259860, 281515, 285480, 311832, 332280, 337818, 389790, 450424, 506727, 519720, 563030, 675636, 779580, 844545, 1013454, 1126060, 1351272, 1559160, 1689090, 2026908, 2252120, 2533635, 3378180, 4053816, 5067270, 6756360, 10134540, 20269080]

約数ペア:

[(1, 20269080), (2, 10134540), (3, 6756360), (4, 5067270), (5, 4053816), (6, 3378180), (8, 2533635), (9, 2252120), (10, 2026908), (12, 1689090), (13, 1559160), (15, 1351272), (18, 1126060), (20, 1013454), (24, 844545), (26, 779580), (30, 675636), (36, 563030), (39, 519720), (40, 506727), (45, 450424), (52, 389790), (60, 337818), (61, 332280), (65, 311832), (71, 285480), (72, 281515), (78, 259860), (90, 225212), (104, 194895), (117, 173240), (120, 168909), (122, 166140), (130, 155916), (142, 142740), (156, 129930), (180, 112606), (183, 110760), (195, 103944), (213, 95160), (234, 86620), (244, 83070), (260, 77958), (284, 71370), (305, 66456), (312, 64965), (355, 57096), (360, 56303), (366, 55380), (390, 51972), (426, 47580), (468, 43310), (488, 41535), (520, 38979), (549, 36920), (568, 35685), (585, 34648), (610, 33228), (639, 31720), (710, 28548), (732, 27690), (780, 25986), (793, 25560), (852, 23790), (915, 22152), (923, 21960), (936, 21655), (1065, 19032), (1098, 18460), (1170, 17324), (1220, 16614), (1278, 15860), (1420, 14274), (1464, 13845), (1560, 12993), (1586, 12780), (1704, 11895), (1830, 11076), (1846, 10980), (2130, 9516), (2196, 9230), (2340, 8662), (2379, 8520), (2440, 8307), (2556, 7930), (2745, 7384), (2769, 7320), (2840, 7137), (3172, 6390), (3195, 6344), (3660, 5538), (3692, 5490), (3965, 5112), (4260, 4758), (4331, 4680), (4392, 4615)]