20311396

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 43690752

約数和(自身を除く): 23379356

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 71, 119, 142, 238, 284, 476, 497, 601, 994, 1202, 1207, 1988, 2404, 2414, 4207, 4828, 8414, 8449, 10217, 16828, 16898, 20434, 33796, 40868, 42671, 71519, 85342, 143038, 170684, 286076, 298697, 597394, 725407, 1194788, 1450814, 2901628, 5077849, 10155698, 20311396]

約数ペア:

[(1, 20311396), (2, 10155698), (4, 5077849), (7, 2901628), (14, 1450814), (17, 1194788), (28, 725407), (34, 597394), (68, 298697), (71, 286076), (119, 170684), (142, 143038), (238, 85342), (284, 71519), (476, 42671), (497, 40868), (601, 33796), (994, 20434), (1202, 16898), (1207, 16828), (1988, 10217), (2404, 8449), (2414, 8414), (4207, 4828)]