20693820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1699}}^1$

素因数の和:1747

約数の個数: 96

約数和(自身を含む): 68544000

約数和(自身を除く): 47850180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1699, 1740, 2030, 2436, 3045, 3398, 4060, 5097, 6090, 6796, 8495, 10194, 11893, 12180, 16990, 20388, 23786, 25485, 33980, 35679, 47572, 49271, 50970, 59465, 71358, 98542, 101940, 118930, 142716, 147813, 178395, 197084, 237860, 246355, 295626, 344897, 356790, 492710, 591252, 689794, 713580, 739065, 985420, 1034691, 1379588, 1478130, 1724485, 2069382, 2956260, 3448970, 4138764, 5173455, 6897940, 10346910, 20693820]

約数ペア:

[(1, 20693820), (2, 10346910), (3, 6897940), (4, 5173455), (5, 4138764), (6, 3448970), (7, 2956260), (10, 2069382), (12, 1724485), (14, 1478130), (15, 1379588), (20, 1034691), (21, 985420), (28, 739065), (29, 713580), (30, 689794), (35, 591252), (42, 492710), (58, 356790), (60, 344897), (70, 295626), (84, 246355), (87, 237860), (105, 197084), (116, 178395), (140, 147813), (145, 142716), (174, 118930), (203, 101940), (210, 98542), (290, 71358), (348, 59465), (406, 50970), (420, 49271), (435, 47572), (580, 35679), (609, 33980), (812, 25485), (870, 23786), (1015, 20388), (1218, 16990), (1699, 12180), (1740, 11893), (2030, 10194), (2436, 8495), (3045, 6796), (3398, 6090), (4060, 5097)]