20879105632

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{367}}^1\times {\mathrm{2099}}^1$

素因数の和:2505

約数の個数: 144

約数和(自身を含む): 51802329600

約数和(自身を除く): 30923223968

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 367, 484, 616, 734, 847, 968, 1232, 1468, 1694, 1936, 2099, 2464, 2569, 2936, 3388, 3872, 4037, 4198, 5138, 5872, 6776, 8074, 8396, 10276, 11744, 13552, 14693, 16148, 16792, 20552, 23089, 27104, 28259, 29386, 32296, 33584, 41104, 44407, 46178, 56518, 58772, 64592, 67168, 82208, 88814, 92356, 113036, 117544, 129184, 161623, 177628, 184712, 226072, 235088, 253979, 310849, 323246, 355256, 369424, 452144, 470176, 507958, 621698, 646492, 710512, 738848, 770333, 904288, 1015916, 1243396, 1292984, 1421024, 1540666, 1777853, 2031832, 2486792, 2585968, 3081332, 3555706, 4063664, 4973584, 5171936, 5392331, 6162664, 7111412, 8127328, 8473663, 9947168, 10784662, 12325328, 14222824, 16947326, 21569324, 24650656, 28445648, 33894652, 43138648, 56891296, 59315641, 67789304, 86277296, 93210293, 118631282, 135578608, 172554592, 186420586, 237262564, 271157216, 372841172, 474525128, 652472051, 745682344, 949050256, 1304944102, 1491364688, 1898100512, 2609888204, 2982729376, 5219776408, 10439552816, 20879105632]

約数ペア:

[(1, 20879105632), (2, 10439552816), (4, 5219776408), (7, 2982729376), (8, 2609888204), (11, 1898100512), (14, 1491364688), (16, 1304944102), (22, 949050256), (28, 745682344), (32, 652472051), (44, 474525128), (56, 372841172), (77, 271157216), (88, 237262564), (112, 186420586), (121, 172554592), (154, 135578608), (176, 118631282), (224, 93210293), (242, 86277296), (308, 67789304), (352, 59315641), (367, 56891296), (484, 43138648), (616, 33894652), (734, 28445648), (847, 24650656), (968, 21569324), (1232, 16947326), (1468, 14222824), (1694, 12325328), (1936, 10784662), (2099, 9947168), (2464, 8473663), (2569, 8127328), (2936, 7111412), (3388, 6162664), (3872, 5392331), (4037, 5171936), (4198, 4973584), (5138, 4063664), (5872, 3555706), (6776, 3081332), (8074, 2585968), (8396, 2486792), (10276, 2031832), (11744, 1777853), (13552, 1540666), (14693, 1421024), (16148, 1292984), (16792, 1243396), (20552, 1015916), (23089, 904288), (27104, 770333), (28259, 738848), (29386, 710512), (32296, 646492), (33584, 621698), (41104, 507958), (44407, 470176), (46178, 452144), (56518, 369424), (58772, 355256), (64592, 323246), (67168, 310849), (82208, 253979), (88814, 235088), (92356, 226072), (113036, 184712), (117544, 177628), (129184, 161623)]