20136142468

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{757}}^1$

素因数の和:934

約数の個数: 108

約数和(自身を含む): 40694526180

約数和(自身を除く): 20558383712

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 109, 169, 218, 247, 338, 361, 436, 494, 676, 722, 757, 988, 1417, 1444, 1514, 2071, 2834, 3028, 3211, 4142, 4693, 5668, 6422, 8284, 9386, 9841, 12844, 14383, 18421, 18772, 19682, 26923, 28766, 36842, 39349, 39364, 53846, 57532, 61009, 73684, 78698, 82513, 107692, 122018, 127933, 157396, 165026, 186979, 244036, 255866, 273277, 330052, 349999, 373958, 511537, 511732, 546554, 699998, 747916, 1023074, 1072669, 1093108, 1399996, 1567747, 2046148, 2145338, 2430727, 3135494, 3552601, 4290676, 4861454, 6270988, 6649981, 7105202, 9722908, 13299962, 13944697, 14210404, 20380711, 26599924, 27889394, 29787193, 40761422, 46183813, 55778788, 59574386, 81522844, 92367626, 119148772, 184735252, 264949243, 387233509, 529898486, 774467018, 1059796972, 1548934036, 5034035617, 10068071234, 20136142468]

約数ペア:

[(1, 20136142468), (2, 10068071234), (4, 5034035617), (13, 1548934036), (19, 1059796972), (26, 774467018), (38, 529898486), (52, 387233509), (76, 264949243), (109, 184735252), (169, 119148772), (218, 92367626), (247, 81522844), (338, 59574386), (361, 55778788), (436, 46183813), (494, 40761422), (676, 29787193), (722, 27889394), (757, 26599924), (988, 20380711), (1417, 14210404), (1444, 13944697), (1514, 13299962), (2071, 9722908), (2834, 7105202), (3028, 6649981), (3211, 6270988), (4142, 4861454), (4693, 4290676), (5668, 3552601), (6422, 3135494), (8284, 2430727), (9386, 2145338), (9841, 2046148), (12844, 1567747), (14383, 1399996), (18421, 1093108), (18772, 1072669), (19682, 1023074), (26923, 747916), (28766, 699998), (36842, 546554), (39349, 511732), (39364, 511537), (53846, 373958), (57532, 349999), (61009, 330052), (73684, 273277), (78698, 255866), (82513, 244036), (107692, 186979), (122018, 165026), (127933, 157396)]