20253120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 168

約数和(自身を含む): 69244464

約数和(自身を除く): 48991344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 73, 80, 85, 96, 102, 120, 136, 146, 160, 170, 192, 204, 219, 240, 255, 272, 289, 292, 320, 340, 365, 408, 438, 480, 510, 544, 578, 584, 680, 730, 816, 867, 876, 960, 1020, 1088, 1095, 1156, 1168, 1241, 1360, 1445, 1460, 1632, 1734, 1752, 2040, 2190, 2312, 2336, 2482, 2720, 2890, 2920, 3264, 3468, 3504, 3723, 4080, 4335, 4380, 4624, 4672, 4964, 5440, 5780, 5840, 6205, 6936, 7008, 7446, 8160, 8670, 8760, 9248, 9928, 11560, 11680, 12410, 13872, 14016, 14892, 16320, 17340, 17520, 18496, 18615, 19856, 21097, 23120, 23360, 24820, 27744, 29784, 34680, 35040, 37230, 39712, 42194, 46240, 49640, 55488, 59568, 63291, 69360, 70080, 74460, 79424, 84388, 92480, 99280, 105485, 119136, 126582, 138720, 148920, 168776, 198560, 210970, 238272, 253164, 277440, 297840, 316455, 337552, 397120, 421940, 506328, 595680, 632910, 675104, 843880, 1012656, 1191360, 1265820, 1350208, 1687760, 2025312, 2531640, 3375520, 4050624, 5063280, 6751040, 10126560, 20253120]

約数ペア:

[(1, 20253120), (2, 10126560), (3, 6751040), (4, 5063280), (5, 4050624), (6, 3375520), (8, 2531640), (10, 2025312), (12, 1687760), (15, 1350208), (16, 1265820), (17, 1191360), (20, 1012656), (24, 843880), (30, 675104), (32, 632910), (34, 595680), (40, 506328), (48, 421940), (51, 397120), (60, 337552), (64, 316455), (68, 297840), (73, 277440), (80, 253164), (85, 238272), (96, 210970), (102, 198560), (120, 168776), (136, 148920), (146, 138720), (160, 126582), (170, 119136), (192, 105485), (204, 99280), (219, 92480), (240, 84388), (255, 79424), (272, 74460), (289, 70080), (292, 69360), (320, 63291), (340, 59568), (365, 55488), (408, 49640), (438, 46240), (480, 42194), (510, 39712), (544, 37230), (578, 35040), (584, 34680), (680, 29784), (730, 27744), (816, 24820), (867, 23360), (876, 23120), (960, 21097), (1020, 19856), (1088, 18615), (1095, 18496), (1156, 17520), (1168, 17340), (1241, 16320), (1360, 14892), (1445, 14016), (1460, 13872), (1632, 12410), (1734, 11680), (1752, 11560), (2040, 9928), (2190, 9248), (2312, 8760), (2336, 8670), (2482, 8160), (2720, 7446), (2890, 7008), (2920, 6936), (3264, 6205), (3468, 5840), (3504, 5780), (3723, 5440), (4080, 4964), (4335, 4672), (4380, 4624)]