20489895608

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1\times {\mathrm{1237}}^1$

素因数の和:1697

約数の個数: 128

約数和(自身を含む): 48227329920

約数和(自身を除く): 27737434312

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 244, 364, 373, 427, 488, 728, 746, 793, 854, 1237, 1492, 1586, 1708, 2474, 2611, 2984, 3172, 3416, 4849, 4948, 5222, 5551, 6344, 8659, 9698, 9896, 10444, 11102, 16081, 17318, 19396, 20888, 22204, 22753, 32162, 33943, 34636, 38792, 44408, 45506, 64324, 67886, 69272, 75457, 91012, 112567, 128648, 135772, 150914, 159271, 182024, 225134, 271544, 295789, 301828, 318542, 450268, 461401, 528199, 591578, 603656, 637084, 900536, 922802, 980941, 1056398, 1183156, 1274168, 1845604, 1961882, 2070523, 2112796, 2366312, 3229807, 3691208, 3923764, 4141046, 4225592, 5998213, 6459614, 6866587, 7847528, 8282092, 11996426, 12919228, 13733174, 16564184, 23992852, 25838456, 27466348, 28145461, 41987491, 47985704, 54932696, 56290922, 83974982, 112581844, 167949964, 197018227, 225163688, 335899928, 365890993, 394036454, 731781986, 788072908, 1463563972, 1576145816, 2561236951, 2927127944, 5122473902, 10244947804, 20489895608]

約数ペア:

[(1, 20489895608), (2, 10244947804), (4, 5122473902), (7, 2927127944), (8, 2561236951), (13, 1576145816), (14, 1463563972), (26, 788072908), (28, 731781986), (52, 394036454), (56, 365890993), (61, 335899928), (91, 225163688), (104, 197018227), (122, 167949964), (182, 112581844), (244, 83974982), (364, 56290922), (373, 54932696), (427, 47985704), (488, 41987491), (728, 28145461), (746, 27466348), (793, 25838456), (854, 23992852), (1237, 16564184), (1492, 13733174), (1586, 12919228), (1708, 11996426), (2474, 8282092), (2611, 7847528), (2984, 6866587), (3172, 6459614), (3416, 5998213), (4849, 4225592), (4948, 4141046), (5222, 3923764), (5551, 3691208), (6344, 3229807), (8659, 2366312), (9698, 2112796), (9896, 2070523), (10444, 1961882), (11102, 1845604), (16081, 1274168), (17318, 1183156), (19396, 1056398), (20888, 980941), (22204, 922802), (22753, 900536), (32162, 637084), (33943, 603656), (34636, 591578), (38792, 528199), (44408, 461401), (45506, 450268), (64324, 318542), (67886, 301828), (69272, 295789), (75457, 271544), (91012, 225134), (112567, 182024), (128648, 159271), (135772, 150914)]