20168186948

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1487}}^1\times {\mathrm{5323}}^1$

素因数の和:6841

約数の個数: 72

約数和(自身を含む): 44252917632

約数和(自身を除く): 24084730684

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 1487, 2548, 2974, 5323, 5948, 10409, 10646, 19331, 20818, 21292, 37261, 38662, 41636, 69199, 72863, 74522, 77324, 135317, 138398, 145726, 149044, 260827, 270634, 276796, 291452, 484393, 521654, 541268, 947219, 968786, 1043308, 1894438, 1937572, 3390751, 3788876, 6781502, 7915301, 13563004, 15830602, 31661204, 55407107, 102898913, 110814214, 205797826, 221628428, 387849749, 411595652, 720292391, 775699498, 1440584782, 1551398996, 2881169564, 5042046737, 10084093474, 20168186948]

約数ペア:

[(1, 20168186948), (2, 10084093474), (4, 5042046737), (7, 2881169564), (13, 1551398996), (14, 1440584782), (26, 775699498), (28, 720292391), (49, 411595652), (52, 387849749), (91, 221628428), (98, 205797826), (182, 110814214), (196, 102898913), (364, 55407107), (637, 31661204), (1274, 15830602), (1487, 13563004), (2548, 7915301), (2974, 6781502), (5323, 3788876), (5948, 3390751), (10409, 1937572), (10646, 1894438), (19331, 1043308), (20818, 968786), (21292, 947219), (37261, 541268), (38662, 521654), (41636, 484393), (69199, 291452), (72863, 276796), (74522, 270634), (77324, 260827), (135317, 149044), (138398, 145726)]