20794555992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{21997}}^1$

素因数の和:22361

約数の個数: 128

約数和(自身を含む): 63100823040

約数和(自身を除く): 42306267048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 331, 357, 408, 476, 662, 714, 952, 993, 1324, 1428, 1986, 2317, 2648, 2856, 3972, 4634, 5627, 6951, 7944, 9268, 11254, 13902, 16881, 18536, 21997, 22508, 27804, 33762, 39389, 43994, 45016, 55608, 65991, 67524, 78778, 87988, 118167, 131982, 135048, 153979, 157556, 175976, 236334, 263964, 307958, 315112, 373949, 461937, 472668, 527928, 615916, 747898, 923874, 945336, 1121847, 1231832, 1495796, 1847748, 2243694, 2617643, 2991592, 3695496, 4487388, 5235286, 7281007, 7852929, 8974776, 10470572, 14562014, 15705858, 20941144, 21843021, 29124028, 31411716, 43686042, 50967049, 58248056, 62823432, 87372084, 101934098, 123777119, 152901147, 174744168, 203868196, 247554238, 305802294, 371331357, 407736392, 495108476, 611604588, 742662714, 866439833, 990216952, 1223209176, 1485325428, 1732879666, 2599319499, 2970650856, 3465759332, 5198638998, 6931518664, 10397277996, 20794555992]

約数ペア:

[(1, 20794555992), (2, 10397277996), (3, 6931518664), (4, 5198638998), (6, 3465759332), (7, 2970650856), (8, 2599319499), (12, 1732879666), (14, 1485325428), (17, 1223209176), (21, 990216952), (24, 866439833), (28, 742662714), (34, 611604588), (42, 495108476), (51, 407736392), (56, 371331357), (68, 305802294), (84, 247554238), (102, 203868196), (119, 174744168), (136, 152901147), (168, 123777119), (204, 101934098), (238, 87372084), (331, 62823432), (357, 58248056), (408, 50967049), (476, 43686042), (662, 31411716), (714, 29124028), (952, 21843021), (993, 20941144), (1324, 15705858), (1428, 14562014), (1986, 10470572), (2317, 8974776), (2648, 7852929), (2856, 7281007), (3972, 5235286), (4634, 4487388), (5627, 3695496), (6951, 2991592), (7944, 2617643), (9268, 2243694), (11254, 1847748), (13902, 1495796), (16881, 1231832), (18536, 1121847), (21997, 945336), (22508, 923874), (27804, 747898), (33762, 615916), (39389, 527928), (43994, 472668), (45016, 461937), (55608, 373949), (65991, 315112), (67524, 307958), (78778, 263964), (87988, 236334), (118167, 175976), (131982, 157556), (135048, 153979)]