About the Number

10205820

10205819 ← → 10205821

2進数表記:100110111011101001111100

漢数字表記:千二十万五千八百二十

素因数分解:

2 2 × 3 2 × 5 1 × 31 2 × 59 1

素因数の和:136
約数の個数: 108
約数和(自身を含む): 32530680
約数和(自身を除く): 22324860

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 59, 60, 62, 90, 93, 118, 124, 155, 177, 180, 186, 236, 279, 295, 310, 354, 372, 465, 531, 558, 590, 620, 708, 885, 930, 961, 1062, 1116, 1180, 1395, 1770, 1829, 1860, 1922, 2124, 2655, 2790, 2883, 3540, 3658, 3844, 4805, 5310, 5487, 5580, 5766, 7316, 8649, 9145, 9610, 10620, 10974, 11532, 14415, 16461, 17298, 18290, 19220, 21948, 27435, 28830, 32922, 34596, 36580, 43245, 54870, 56699, 57660, 65844, 82305, 86490, 109740, 113398, 164610, 170097, 172980, 226796, 283495, 329220, 340194, 510291, 566990, 680388, 850485, 1020582, 1133980, 1700970, 2041164, 2551455, 3401940, 5102910, 10205820]

約数ペア:
[(1, 10205820), (2, 5102910), (3, 3401940), (4, 2551455), (5, 2041164), (6, 1700970), (9, 1133980), (10, 1020582), (12, 850485), (15, 680388), (18, 566990), (20, 510291), (30, 340194), (31, 329220), (36, 283495), (45, 226796), (59, 172980), (60, 170097), (62, 164610), (90, 113398), (93, 109740), (118, 86490), (124, 82305), (155, 65844), (177, 57660), (180, 56699), (186, 54870), (236, 43245), (279, 36580), (295, 34596), (310, 32922), (354, 28830), (372, 27435), (465, 21948), (531, 19220), (558, 18290), (590, 17298), (620, 16461), (708, 14415), (885, 11532), (930, 10974), (961, 10620), (1062, 9610), (1116, 9145), (1180, 8649), (1395, 7316), (1770, 5766), (1829, 5580), (1860, 5487), (1922, 5310), (2124, 4805), (2655, 3844), (2790, 3658), (2883, 3540)]

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