20012070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 54627552

約数和(自身を除く): 34615482

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 97, 115, 130, 138, 194, 195, 230, 291, 299, 345, 390, 485, 529, 582, 598, 690, 897, 970, 1058, 1261, 1455, 1495, 1587, 1794, 2231, 2522, 2645, 2910, 2990, 3174, 3783, 4462, 4485, 5290, 6305, 6693, 6877, 7566, 7935, 8970, 11155, 12610, 13386, 13754, 15870, 18915, 20631, 22310, 29003, 33465, 34385, 37830, 41262, 51313, 58006, 66930, 68770, 87009, 102626, 103155, 145015, 153939, 174018, 206310, 256565, 290030, 307878, 435045, 513130, 667069, 769695, 870090, 1334138, 1539390, 2001207, 3335345, 4002414, 6670690, 10006035, 20012070]

約数ペア:

[(1, 20012070), (2, 10006035), (3, 6670690), (5, 4002414), (6, 3335345), (10, 2001207), (13, 1539390), (15, 1334138), (23, 870090), (26, 769695), (30, 667069), (39, 513130), (46, 435045), (65, 307878), (69, 290030), (78, 256565), (97, 206310), (115, 174018), (130, 153939), (138, 145015), (194, 103155), (195, 102626), (230, 87009), (291, 68770), (299, 66930), (345, 58006), (390, 51313), (485, 41262), (529, 37830), (582, 34385), (598, 33465), (690, 29003), (897, 22310), (970, 20631), (1058, 18915), (1261, 15870), (1455, 13754), (1495, 13386), (1587, 12610), (1794, 11155), (2231, 8970), (2522, 7935), (2645, 7566), (2910, 6877), (2990, 6693), (3174, 6305), (3783, 5290), (4462, 4485)]