20193973912

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{39983}}^1$

素因数の和:40336

約数の個数: 64

約数和(自身を含む): 44910028800

約数和(自身を除く): 24716054888

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 311, 406, 622, 812, 1244, 1624, 2177, 2488, 4354, 8708, 9019, 17416, 18038, 36076, 39983, 63133, 72152, 79966, 126266, 159932, 252532, 279881, 319864, 505064, 559762, 1119524, 1159507, 2239048, 2319014, 4638028, 8116549, 9276056, 12434713, 16233098, 24869426, 32466196, 49738852, 64932392, 87042991, 99477704, 174085982, 348171964, 360606677, 696343928, 721213354, 1442426708, 2524246739, 2884853416, 5048493478, 10096986956, 20193973912]

約数ペア:

[(1, 20193973912), (2, 10096986956), (4, 5048493478), (7, 2884853416), (8, 2524246739), (14, 1442426708), (28, 721213354), (29, 696343928), (56, 360606677), (58, 348171964), (116, 174085982), (203, 99477704), (232, 87042991), (311, 64932392), (406, 49738852), (622, 32466196), (812, 24869426), (1244, 16233098), (1624, 12434713), (2177, 9276056), (2488, 8116549), (4354, 4638028), (8708, 2319014), (9019, 2239048), (17416, 1159507), (18038, 1119524), (36076, 559762), (39983, 505064), (63133, 319864), (72152, 279881), (79966, 252532), (126266, 159932)]