20030816

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 42865200

約数和(自身を除く): 22834384

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 179, 208, 269, 358, 416, 538, 716, 1076, 1432, 2152, 2327, 2864, 3497, 4304, 4654, 5728, 6994, 8608, 9308, 13988, 18616, 27976, 37232, 48151, 55952, 74464, 96302, 111904, 192604, 385208, 625963, 770416, 1251926, 1540832, 2503852, 5007704, 10015408, 20030816]

約数ペア:

[(1, 20030816), (2, 10015408), (4, 5007704), (8, 2503852), (13, 1540832), (16, 1251926), (26, 770416), (32, 625963), (52, 385208), (104, 192604), (179, 111904), (208, 96302), (269, 74464), (358, 55952), (416, 48151), (538, 37232), (716, 27976), (1076, 18616), (1432, 13988), (2152, 9308), (2327, 8608), (2864, 6994), (3497, 5728), (4304, 4654)]