20408027466

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1\times {\mathrm{4273}}^1$

素因数の和:5007

約数の個数: 64

約数和(自身を含む): 43470888192

約数和(自身を除く): 23062860726

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 653, 1219, 1306, 1959, 2438, 3657, 3918, 4273, 7314, 8546, 12819, 15019, 25638, 30038, 34609, 45057, 69218, 90114, 98279, 103827, 196558, 207654, 226469, 294837, 452938, 589674, 679407, 796007, 1358814, 1592014, 2388021, 2790269, 4776042, 5208787, 5580538, 8370807, 10417574, 15626361, 16741614, 31252722, 64176187, 128352374, 147884257, 192528561, 295768514, 385057122, 443652771, 887305542, 3401337911, 6802675822, 10204013733, 20408027466]

約数ペア:

[(1, 20408027466), (2, 10204013733), (3, 6802675822), (6, 3401337911), (23, 887305542), (46, 443652771), (53, 385057122), (69, 295768514), (106, 192528561), (138, 147884257), (159, 128352374), (318, 64176187), (653, 31252722), (1219, 16741614), (1306, 15626361), (1959, 10417574), (2438, 8370807), (3657, 5580538), (3918, 5208787), (4273, 4776042), (7314, 2790269), (8546, 2388021), (12819, 1592014), (15019, 1358814), (25638, 796007), (30038, 679407), (34609, 589674), (45057, 452938), (69218, 294837), (90114, 226469), (98279, 207654), (103827, 196558)]