20239890220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{11897}}^1$

素因数の和:11984

約数の個数: 144

約数和(自身を含む): 50511293280

約数和(自身を除く): 30271403060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 55, 74, 76, 95, 110, 121, 148, 185, 190, 209, 220, 242, 370, 380, 407, 418, 484, 605, 703, 740, 814, 836, 1045, 1210, 1406, 1628, 2035, 2090, 2299, 2420, 2812, 3515, 4070, 4180, 4477, 4598, 7030, 7733, 8140, 8954, 9196, 11495, 11897, 14060, 15466, 17908, 22385, 22990, 23794, 30932, 38665, 44770, 45980, 47588, 59485, 77330, 85063, 89540, 118970, 130867, 154660, 170126, 226043, 237940, 261734, 340252, 425315, 440189, 452086, 523468, 654335, 850630, 880378, 904172, 1130215, 1308670, 1439537, 1701260, 1760756, 2200945, 2260430, 2486473, 2617340, 2879074, 4401890, 4520860, 4842079, 4972946, 5758148, 7197685, 8363591, 8803780, 9684158, 9945892, 12432365, 14395370, 16727182, 19368316, 24210395, 24864730, 27351203, 28790740, 33454364, 41817955, 48420790, 49729460, 53262869, 54702406, 83635910, 91999501, 96841580, 106525738, 109404812, 136756015, 167271820, 183999002, 213051476, 266314345, 273512030, 367998004, 459997505, 532628690, 547024060, 919995010, 1011994511, 1065257380, 1839990020, 2023989022, 4047978044, 5059972555, 10119945110, 20239890220]

約数ペア:

[(1, 20239890220), (2, 10119945110), (4, 5059972555), (5, 4047978044), (10, 2023989022), (11, 1839990020), (19, 1065257380), (20, 1011994511), (22, 919995010), (37, 547024060), (38, 532628690), (44, 459997505), (55, 367998004), (74, 273512030), (76, 266314345), (95, 213051476), (110, 183999002), (121, 167271820), (148, 136756015), (185, 109404812), (190, 106525738), (209, 96841580), (220, 91999501), (242, 83635910), (370, 54702406), (380, 53262869), (407, 49729460), (418, 48420790), (484, 41817955), (605, 33454364), (703, 28790740), (740, 27351203), (814, 24864730), (836, 24210395), (1045, 19368316), (1210, 16727182), (1406, 14395370), (1628, 12432365), (2035, 9945892), (2090, 9684158), (2299, 8803780), (2420, 8363591), (2812, 7197685), (3515, 5758148), (4070, 4972946), (4180, 4842079), (4477, 4520860), (4598, 4401890), (7030, 2879074), (7733, 2617340), (8140, 2486473), (8954, 2260430), (9196, 2200945), (11495, 1760756), (11897, 1701260), (14060, 1439537), (15466, 1308670), (17908, 1130215), (22385, 904172), (22990, 880378), (23794, 850630), (30932, 654335), (38665, 523468), (44770, 452086), (45980, 440189), (47588, 425315), (59485, 340252), (77330, 261734), (85063, 237940), (89540, 226043), (118970, 170126), (130867, 154660)]