20161495548

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{739}}^1\times {\mathrm{11311}}^1$

素因数の和:12127

約数の個数: 72

約数和(自身を含む): 51799005440

約数和(自身を除く): 31637509892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 739, 804, 1206, 1478, 2217, 2412, 2956, 4434, 6651, 8868, 11311, 13302, 22622, 26604, 33933, 45244, 49513, 67866, 99026, 101799, 135732, 148539, 198052, 203598, 297078, 407196, 445617, 594156, 757837, 891234, 1515674, 1782468, 2273511, 3031348, 4547022, 6820533, 8358829, 9094044, 13641066, 16717658, 25076487, 27282132, 33435316, 50152974, 75229461, 100305948, 150458922, 300917844, 560041543, 1120083086, 1680124629, 2240166172, 3360249258, 5040373887, 6720498516, 10080747774, 20161495548]

約数ペア:

[(1, 20161495548), (2, 10080747774), (3, 6720498516), (4, 5040373887), (6, 3360249258), (9, 2240166172), (12, 1680124629), (18, 1120083086), (36, 560041543), (67, 300917844), (134, 150458922), (201, 100305948), (268, 75229461), (402, 50152974), (603, 33435316), (739, 27282132), (804, 25076487), (1206, 16717658), (1478, 13641066), (2217, 9094044), (2412, 8358829), (2956, 6820533), (4434, 4547022), (6651, 3031348), (8868, 2273511), (11311, 1782468), (13302, 1515674), (22622, 891234), (26604, 757837), (33933, 594156), (45244, 445617), (49513, 407196), (67866, 297078), (99026, 203598), (101799, 198052), (135732, 148539)]