20194990660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{5303}}^1$

素因数の和:5573

約数の個数: 96

約数和(自身を含む): 46456929792

約数和(自身を除く): 26261939132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 151, 194, 260, 302, 388, 485, 604, 755, 970, 1261, 1510, 1940, 1963, 2522, 3020, 3926, 5044, 5303, 6305, 7852, 9815, 10606, 12610, 14647, 19630, 21212, 25220, 26515, 29294, 39260, 53030, 58588, 68939, 73235, 106060, 137878, 146470, 190411, 275756, 292940, 344695, 380822, 514391, 689390, 761644, 800753, 952055, 1028782, 1378780, 1601506, 1904110, 2057564, 2571955, 3203012, 3808220, 4003765, 5143910, 6687083, 8007530, 10287820, 10409789, 13374166, 16015060, 20819578, 26748332, 33435415, 41639156, 52048945, 66870830, 77673041, 104097890, 133741660, 155346082, 208195780, 310692164, 388365205, 776730410, 1009749533, 1553460820, 2019499066, 4038998132, 5048747665, 10097495330, 20194990660]

約数ペア:

[(1, 20194990660), (2, 10097495330), (4, 5048747665), (5, 4038998132), (10, 2019499066), (13, 1553460820), (20, 1009749533), (26, 776730410), (52, 388365205), (65, 310692164), (97, 208195780), (130, 155346082), (151, 133741660), (194, 104097890), (260, 77673041), (302, 66870830), (388, 52048945), (485, 41639156), (604, 33435415), (755, 26748332), (970, 20819578), (1261, 16015060), (1510, 13374166), (1940, 10409789), (1963, 10287820), (2522, 8007530), (3020, 6687083), (3926, 5143910), (5044, 4003765), (5303, 3808220), (6305, 3203012), (7852, 2571955), (9815, 2057564), (10606, 1904110), (12610, 1601506), (14647, 1378780), (19630, 1028782), (21212, 952055), (25220, 800753), (26515, 761644), (29294, 689390), (39260, 514391), (53030, 380822), (58588, 344695), (68939, 292940), (73235, 275756), (106060, 190411), (137878, 146470)]