20263230

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 40700610

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 27, 30, 39, 45, 46, 54, 65, 69, 78, 90, 115, 117, 130, 135, 138, 195, 207, 230, 234, 251, 270, 299, 345, 351, 390, 414, 502, 585, 598, 621, 690, 702, 753, 897, 1035, 1170, 1242, 1255, 1495, 1506, 1755, 1794, 2070, 2259, 2510, 2691, 2990, 3105, 3263, 3510, 3765, 4485, 4518, 5382, 5773, 6210, 6526, 6777, 7530, 8073, 8970, 9789, 11295, 11546, 13455, 13554, 16146, 16315, 17319, 19578, 22590, 26910, 28865, 29367, 32630, 33885, 34638, 40365, 48945, 51957, 57730, 58734, 67770, 75049, 80730, 86595, 88101, 97890, 103914, 146835, 150098, 155871, 173190, 176202, 225147, 259785, 293670, 311742, 375245, 440505, 450294, 519570, 675441, 750490, 779355, 881010, 1125735, 1350882, 1558710, 2026323, 2251470, 3377205, 4052646, 6754410, 10131615, 20263230]

約数ペア:

[(1, 20263230), (2, 10131615), (3, 6754410), (5, 4052646), (6, 3377205), (9, 2251470), (10, 2026323), (13, 1558710), (15, 1350882), (18, 1125735), (23, 881010), (26, 779355), (27, 750490), (30, 675441), (39, 519570), (45, 450294), (46, 440505), (54, 375245), (65, 311742), (69, 293670), (78, 259785), (90, 225147), (115, 176202), (117, 173190), (130, 155871), (135, 150098), (138, 146835), (195, 103914), (207, 97890), (230, 88101), (234, 86595), (251, 80730), (270, 75049), (299, 67770), (345, 58734), (351, 57730), (390, 51957), (414, 48945), (502, 40365), (585, 34638), (598, 33885), (621, 32630), (690, 29367), (702, 28865), (753, 26910), (897, 22590), (1035, 19578), (1170, 17319), (1242, 16315), (1255, 16146), (1495, 13554), (1506, 13455), (1755, 11546), (1794, 11295), (2070, 9789), (2259, 8970), (2510, 8073), (2691, 7530), (2990, 6777), (3105, 6526), (3263, 6210), (3510, 5773), (3765, 5382), (4485, 4518)]