20661300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2087}}^1$

素因数の和:2118

約数の個数: 108

約数和(自身を含む): 70682976

約数和(自身を除く): 50021676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2087, 2475, 3300, 4174, 4950, 6261, 8348, 9900, 10435, 12522, 18783, 20870, 22957, 25044, 31305, 37566, 41740, 45914, 52175, 62610, 68871, 75132, 91828, 93915, 104350, 114785, 125220, 137742, 156525, 187830, 206613, 208700, 229570, 275484, 313050, 344355, 375660, 413226, 459140, 469575, 573925, 626100, 688710, 826452, 939150, 1033065, 1147850, 1377420, 1721775, 1878300, 2066130, 2295700, 3443550, 4132260, 5165325, 6887100, 10330650, 20661300]

約数ペア:

[(1, 20661300), (2, 10330650), (3, 6887100), (4, 5165325), (5, 4132260), (6, 3443550), (9, 2295700), (10, 2066130), (11, 1878300), (12, 1721775), (15, 1377420), (18, 1147850), (20, 1033065), (22, 939150), (25, 826452), (30, 688710), (33, 626100), (36, 573925), (44, 469575), (45, 459140), (50, 413226), (55, 375660), (60, 344355), (66, 313050), (75, 275484), (90, 229570), (99, 208700), (100, 206613), (110, 187830), (132, 156525), (150, 137742), (165, 125220), (180, 114785), (198, 104350), (220, 93915), (225, 91828), (275, 75132), (300, 68871), (330, 62610), (396, 52175), (450, 45914), (495, 41740), (550, 37566), (660, 31305), (825, 25044), (900, 22957), (990, 20870), (1100, 18783), (1650, 12522), (1980, 10435), (2087, 9900), (2475, 8348), (3300, 6261), (4174, 4950)]