20123803516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 38807294400

約数和(自身を除く): 18683490884

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 149, 164, 193, 251, 298, 386, 502, 596, 697, 772, 1004, 1394, 2533, 2788, 3281, 4267, 5066, 6109, 6562, 7913, 8534, 10132, 10291, 12218, 13124, 15826, 17068, 20582, 24436, 28757, 31652, 37399, 41164, 48443, 57514, 74798, 96886, 103853, 115028, 134521, 149596, 174947, 193772, 207706, 269042, 349894, 415412, 488869, 538084, 635783, 699788, 823531, 977738, 1179037, 1271566, 1533359, 1647062, 1955476, 1986163, 2358074, 2543132, 3066718, 3294124, 3972326, 4716148, 6133436, 7218007, 7944652, 14436014, 20043629, 26067103, 28872028, 33764771, 40087258, 52134206, 67529542, 80174516, 104268412, 122706119, 135059084, 245412238, 295938287, 490824476, 591876574, 1183753148, 5030950879, 10061901758, 20123803516]

約数ペア:

[(1, 20123803516), (2, 10061901758), (4, 5030950879), (17, 1183753148), (34, 591876574), (41, 490824476), (68, 295938287), (82, 245412238), (149, 135059084), (164, 122706119), (193, 104268412), (251, 80174516), (298, 67529542), (386, 52134206), (502, 40087258), (596, 33764771), (697, 28872028), (772, 26067103), (1004, 20043629), (1394, 14436014), (2533, 7944652), (2788, 7218007), (3281, 6133436), (4267, 4716148), (5066, 3972326), (6109, 3294124), (6562, 3066718), (7913, 2543132), (8534, 2358074), (10132, 1986163), (10291, 1955476), (12218, 1647062), (13124, 1533359), (15826, 1271566), (17068, 1179037), (20582, 977738), (24436, 823531), (28757, 699788), (31652, 635783), (37399, 538084), (41164, 488869), (48443, 415412), (57514, 349894), (74798, 269042), (96886, 207706), (103853, 193772), (115028, 174947), (134521, 149596)]