20163390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 54232416

約数和(自身を除く): 34069026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 97, 123, 130, 169, 194, 195, 205, 246, 291, 338, 390, 410, 485, 507, 533, 582, 615, 845, 970, 1014, 1066, 1230, 1261, 1455, 1599, 1690, 2522, 2535, 2665, 2910, 3198, 3783, 3977, 5070, 5330, 6305, 6929, 7566, 7954, 7995, 11931, 12610, 13858, 15990, 16393, 18915, 19885, 20787, 23862, 32786, 34645, 37830, 39770, 41574, 49179, 51701, 59655, 69290, 81965, 98358, 103402, 103935, 119310, 155103, 163930, 207870, 245895, 258505, 310206, 491790, 517010, 672113, 775515, 1344226, 1551030, 2016339, 3360565, 4032678, 6721130, 10081695, 20163390]

約数ペア:

[(1, 20163390), (2, 10081695), (3, 6721130), (5, 4032678), (6, 3360565), (10, 2016339), (13, 1551030), (15, 1344226), (26, 775515), (30, 672113), (39, 517010), (41, 491790), (65, 310206), (78, 258505), (82, 245895), (97, 207870), (123, 163930), (130, 155103), (169, 119310), (194, 103935), (195, 103402), (205, 98358), (246, 81965), (291, 69290), (338, 59655), (390, 51701), (410, 49179), (485, 41574), (507, 39770), (533, 37830), (582, 34645), (615, 32786), (845, 23862), (970, 20787), (1014, 19885), (1066, 18915), (1230, 16393), (1261, 15990), (1455, 13858), (1599, 12610), (1690, 11931), (2522, 7995), (2535, 7954), (2665, 7566), (2910, 6929), (3198, 6305), (3783, 5330), (3977, 5070)]