20121363068

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 38149816320

約数和(自身を除く): 18028453252

約数列:

[1, 2, 4, 31, 43, 59, 62, 86, 118, 124, 167, 172, 236, 334, 383, 668, 766, 1333, 1532, 1829, 2537, 2666, 3658, 5074, 5177, 5332, 7181, 7316, 9853, 10148, 10354, 11873, 14362, 16469, 19706, 20708, 22597, 23746, 28724, 32938, 39412, 45194, 47492, 63961, 65876, 78647, 90388, 127922, 157294, 222611, 255844, 305443, 314588, 423679, 445222, 510539, 610886, 700507, 847358, 890444, 971671, 1021078, 1221772, 1401014, 1694716, 1943342, 1982791, 2042156, 2750323, 2802028, 3773699, 3886684, 3965582, 5500646, 7547398, 7931164, 11001292, 13134049, 15094796, 26268098, 30121801, 52536196, 60243602, 85260013, 116984669, 120487204, 162269057, 170520026, 233969338, 324538114, 341040052, 467938676, 649076228, 5030340767, 10060681534, 20121363068]

約数ペア:

[(1, 20121363068), (2, 10060681534), (4, 5030340767), (31, 649076228), (43, 467938676), (59, 341040052), (62, 324538114), (86, 233969338), (118, 170520026), (124, 162269057), (167, 120487204), (172, 116984669), (236, 85260013), (334, 60243602), (383, 52536196), (668, 30121801), (766, 26268098), (1333, 15094796), (1532, 13134049), (1829, 11001292), (2537, 7931164), (2666, 7547398), (3658, 5500646), (5074, 3965582), (5177, 3886684), (5332, 3773699), (7181, 2802028), (7316, 2750323), (9853, 2042156), (10148, 1982791), (10354, 1943342), (11873, 1694716), (14362, 1401014), (16469, 1221772), (19706, 1021078), (20708, 971671), (22597, 890444), (23746, 847358), (28724, 700507), (32938, 610886), (39412, 510539), (45194, 445222), (47492, 423679), (63961, 314588), (65876, 305443), (78647, 255844), (90388, 222611), (127922, 157294)]