20321028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6203}}^1$

素因数の和:6233

約数の個数: 72

約数和(自身を含む): 63231168

約数和(自身を除く): 42910140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6203, 12406, 18609, 24812, 37218, 43421, 55827, 74436, 80639, 86842, 111654, 130263, 161278, 173684, 223308, 241917, 260526, 322556, 390789, 483834, 521052, 564473, 725751, 781578, 967668, 1128946, 1451502, 1563156, 1693419, 2257892, 2903004, 3386838, 5080257, 6773676, 10160514, 20321028]

約数ペア:

[(1, 20321028), (2, 10160514), (3, 6773676), (4, 5080257), (6, 3386838), (7, 2903004), (9, 2257892), (12, 1693419), (13, 1563156), (14, 1451502), (18, 1128946), (21, 967668), (26, 781578), (28, 725751), (36, 564473), (39, 521052), (42, 483834), (52, 390789), (63, 322556), (78, 260526), (84, 241917), (91, 223308), (117, 173684), (126, 161278), (156, 130263), (182, 111654), (234, 86842), (252, 80639), (273, 74436), (364, 55827), (468, 43421), (546, 37218), (819, 24812), (1092, 18609), (1638, 12406), (3276, 6203)]