20076700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 54996480

約数和(自身を除く): 34919780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 29, 35, 43, 46, 50, 58, 70, 86, 92, 100, 115, 116, 140, 145, 161, 172, 175, 203, 215, 230, 290, 301, 322, 350, 406, 430, 460, 575, 580, 602, 644, 667, 700, 725, 805, 812, 860, 989, 1015, 1075, 1150, 1204, 1247, 1334, 1450, 1505, 1610, 1978, 2030, 2150, 2300, 2494, 2668, 2900, 3010, 3220, 3335, 3956, 4025, 4060, 4300, 4669, 4945, 4988, 5075, 6020, 6235, 6670, 6923, 7525, 8050, 8729, 9338, 9890, 10150, 12470, 13340, 13846, 15050, 16100, 16675, 17458, 18676, 19780, 20300, 23345, 24725, 24940, 27692, 28681, 30100, 31175, 33350, 34615, 34916, 43645, 46690, 49450, 57362, 62350, 66700, 69230, 87290, 93380, 98900, 114724, 116725, 124700, 138460, 143405, 173075, 174580, 200767, 218225, 233450, 286810, 346150, 401534, 436450, 466900, 573620, 692300, 717025, 803068, 872900, 1003835, 1434050, 2007670, 2868100, 4015340, 5019175, 10038350, 20076700]

約数ペア:

[(1, 20076700), (2, 10038350), (4, 5019175), (5, 4015340), (7, 2868100), (10, 2007670), (14, 1434050), (20, 1003835), (23, 872900), (25, 803068), (28, 717025), (29, 692300), (35, 573620), (43, 466900), (46, 436450), (50, 401534), (58, 346150), (70, 286810), (86, 233450), (92, 218225), (100, 200767), (115, 174580), (116, 173075), (140, 143405), (145, 138460), (161, 124700), (172, 116725), (175, 114724), (203, 98900), (215, 93380), (230, 87290), (290, 69230), (301, 66700), (322, 62350), (350, 57362), (406, 49450), (430, 46690), (460, 43645), (575, 34916), (580, 34615), (602, 33350), (644, 31175), (667, 30100), (700, 28681), (725, 27692), (805, 24940), (812, 24725), (860, 23345), (989, 20300), (1015, 19780), (1075, 18676), (1150, 17458), (1204, 16675), (1247, 16100), (1334, 15050), (1450, 13846), (1505, 13340), (1610, 12470), (1978, 10150), (2030, 9890), (2150, 9338), (2300, 8729), (2494, 8050), (2668, 7525), (2900, 6923), (3010, 6670), (3220, 6235), (3335, 6020), (3956, 5075), (4025, 4988), (4060, 4945), (4300, 4669)]