20444190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 37616610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 31, 38, 39, 57, 62, 65, 78, 89, 93, 95, 114, 130, 155, 178, 186, 190, 195, 247, 267, 285, 310, 390, 403, 445, 465, 494, 534, 570, 589, 741, 806, 890, 930, 1157, 1178, 1209, 1235, 1335, 1482, 1691, 1767, 2015, 2314, 2418, 2470, 2670, 2759, 2945, 3382, 3471, 3534, 3705, 4030, 5073, 5518, 5785, 5890, 6045, 6942, 7410, 7657, 8277, 8455, 8835, 10146, 11570, 12090, 13795, 15314, 16554, 16910, 17355, 17670, 21983, 22971, 25365, 27590, 34710, 35867, 38285, 41385, 43966, 45942, 50730, 52421, 65949, 71734, 76570, 82770, 104842, 107601, 109915, 114855, 131898, 157263, 179335, 215202, 219830, 229710, 262105, 314526, 329745, 358670, 524210, 538005, 659490, 681473, 786315, 1076010, 1362946, 1572630, 2044419, 3407365, 4088838, 6814730, 10222095, 20444190]

約数ペア:

[(1, 20444190), (2, 10222095), (3, 6814730), (5, 4088838), (6, 3407365), (10, 2044419), (13, 1572630), (15, 1362946), (19, 1076010), (26, 786315), (30, 681473), (31, 659490), (38, 538005), (39, 524210), (57, 358670), (62, 329745), (65, 314526), (78, 262105), (89, 229710), (93, 219830), (95, 215202), (114, 179335), (130, 157263), (155, 131898), (178, 114855), (186, 109915), (190, 107601), (195, 104842), (247, 82770), (267, 76570), (285, 71734), (310, 65949), (390, 52421), (403, 50730), (445, 45942), (465, 43966), (494, 41385), (534, 38285), (570, 35867), (589, 34710), (741, 27590), (806, 25365), (890, 22971), (930, 21983), (1157, 17670), (1178, 17355), (1209, 16910), (1235, 16554), (1335, 15314), (1482, 13795), (1691, 12090), (1767, 11570), (2015, 10146), (2314, 8835), (2418, 8455), (2470, 8277), (2670, 7657), (2759, 7410), (2945, 6942), (3382, 6045), (3471, 5890), (3534, 5785), (3705, 5518), (4030, 5073)]