20790403890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{683}}^1$

素因数の和:1256

約数の個数: 128

約数和(自身を含む): 52421935104

約数和(自身を除く): 31631531214

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 71, 93, 142, 155, 186, 213, 310, 355, 426, 461, 465, 683, 710, 922, 930, 1065, 1366, 1383, 2049, 2130, 2201, 2305, 2766, 3415, 4098, 4402, 4610, 6603, 6830, 6915, 10245, 11005, 13206, 13830, 14291, 20490, 21173, 22010, 28582, 32731, 33015, 42346, 42873, 48493, 63519, 65462, 66030, 71455, 85746, 96986, 98193, 105865, 127038, 142910, 145479, 163655, 196386, 211730, 214365, 242465, 290958, 314863, 317595, 327310, 428730, 484930, 490965, 629726, 635190, 727395, 944589, 981930, 1014661, 1454790, 1503283, 1574315, 1889178, 2029322, 3006566, 3043983, 3148630, 4509849, 4722945, 5073305, 6087966, 7516415, 9019698, 9445890, 9760753, 10146610, 15032830, 15219915, 19521506, 22355273, 22549245, 29282259, 30439830, 44710546, 45098490, 48803765, 58564518, 67065819, 97607530, 111776365, 134131638, 146411295, 223552730, 292822590, 335329095, 670658190, 693013463, 1386026926, 2079040389, 3465067315, 4158080778, 6930134630, 10395201945, 20790403890]

約数ペア:

[(1, 20790403890), (2, 10395201945), (3, 6930134630), (5, 4158080778), (6, 3465067315), (10, 2079040389), (15, 1386026926), (30, 693013463), (31, 670658190), (62, 335329095), (71, 292822590), (93, 223552730), (142, 146411295), (155, 134131638), (186, 111776365), (213, 97607530), (310, 67065819), (355, 58564518), (426, 48803765), (461, 45098490), (465, 44710546), (683, 30439830), (710, 29282259), (922, 22549245), (930, 22355273), (1065, 19521506), (1366, 15219915), (1383, 15032830), (2049, 10146610), (2130, 9760753), (2201, 9445890), (2305, 9019698), (2766, 7516415), (3415, 6087966), (4098, 5073305), (4402, 4722945), (4610, 4509849), (6603, 3148630), (6830, 3043983), (6915, 3006566), (10245, 2029322), (11005, 1889178), (13206, 1574315), (13830, 1503283), (14291, 1454790), (20490, 1014661), (21173, 981930), (22010, 944589), (28582, 727395), (32731, 635190), (33015, 629726), (42346, 490965), (42873, 484930), (48493, 428730), (63519, 327310), (65462, 317595), (66030, 314863), (71455, 290958), (85746, 242465), (96986, 214365), (98193, 211730), (105865, 196386), (127038, 163655), (142910, 145479)]