20259072

素因数分解:

$2^8\times 3^4\times {\mathrm{977}}^1$

素因数の和:1005

約数の個数: 90

約数和(自身を含む): 60470718

約数和(自身を除く): 40211646

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 977, 1152, 1296, 1728, 1954, 2304, 2592, 2931, 3456, 3908, 5184, 5862, 6912, 7816, 8793, 10368, 11724, 15632, 17586, 20736, 23448, 26379, 31264, 35172, 46896, 52758, 62528, 70344, 79137, 93792, 105516, 125056, 140688, 158274, 187584, 211032, 250112, 281376, 316548, 375168, 422064, 562752, 633096, 750336, 844128, 1125504, 1266192, 1688256, 2251008, 2532384, 3376512, 5064768, 6753024, 10129536, 20259072]

約数ペア:

[(1, 20259072), (2, 10129536), (3, 6753024), (4, 5064768), (6, 3376512), (8, 2532384), (9, 2251008), (12, 1688256), (16, 1266192), (18, 1125504), (24, 844128), (27, 750336), (32, 633096), (36, 562752), (48, 422064), (54, 375168), (64, 316548), (72, 281376), (81, 250112), (96, 211032), (108, 187584), (128, 158274), (144, 140688), (162, 125056), (192, 105516), (216, 93792), (256, 79137), (288, 70344), (324, 62528), (384, 52758), (432, 46896), (576, 35172), (648, 31264), (768, 26379), (864, 23448), (977, 20736), (1152, 17586), (1296, 15632), (1728, 11724), (1954, 10368), (2304, 8793), (2592, 7816), (2931, 6912), (3456, 5862), (3908, 5184)]