20134890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 55800576

約数和(自身を除く): 35665686

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 71, 90, 115, 137, 138, 142, 207, 213, 230, 274, 345, 355, 411, 414, 426, 639, 685, 690, 710, 822, 1035, 1065, 1233, 1278, 1370, 1633, 2055, 2070, 2130, 2466, 3151, 3195, 3266, 4110, 4899, 6165, 6302, 6390, 8165, 9453, 9727, 9798, 12330, 14697, 15755, 16330, 18906, 19454, 24495, 28359, 29181, 29394, 31510, 47265, 48635, 48990, 56718, 58362, 73485, 87543, 94530, 97270, 141795, 145905, 146970, 175086, 223721, 283590, 291810, 437715, 447442, 671163, 875430, 1118605, 1342326, 2013489, 2237210, 3355815, 4026978, 6711630, 10067445, 20134890]

約数ペア:

[(1, 20134890), (2, 10067445), (3, 6711630), (5, 4026978), (6, 3355815), (9, 2237210), (10, 2013489), (15, 1342326), (18, 1118605), (23, 875430), (30, 671163), (45, 447442), (46, 437715), (69, 291810), (71, 283590), (90, 223721), (115, 175086), (137, 146970), (138, 145905), (142, 141795), (207, 97270), (213, 94530), (230, 87543), (274, 73485), (345, 58362), (355, 56718), (411, 48990), (414, 48635), (426, 47265), (639, 31510), (685, 29394), (690, 29181), (710, 28359), (822, 24495), (1035, 19454), (1065, 18906), (1233, 16330), (1278, 15755), (1370, 14697), (1633, 12330), (2055, 9798), (2070, 9727), (2130, 9453), (2466, 8165), (3151, 6390), (3195, 6302), (3266, 6165), (4110, 4899)]