20837318712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{42433}}^1$

素因数の和:42565

約数の個数: 128

約数和(自身を含む): 61919692800

約数和(自身を除く): 41082374088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 79, 84, 111, 148, 158, 168, 222, 237, 259, 296, 316, 444, 474, 518, 553, 632, 777, 888, 948, 1036, 1106, 1554, 1659, 1896, 2072, 2212, 2923, 3108, 3318, 4424, 5846, 6216, 6636, 8769, 11692, 13272, 17538, 20461, 23384, 35076, 40922, 42433, 61383, 70152, 81844, 84866, 122766, 127299, 163688, 169732, 245532, 254598, 297031, 339464, 491064, 509196, 594062, 891093, 1018392, 1188124, 1570021, 1782186, 2376248, 3140042, 3352207, 3564372, 4710063, 6280084, 6704414, 7128744, 9420126, 10056621, 10990147, 12560168, 13408828, 18840252, 20113242, 21980294, 23465449, 26817656, 32970441, 37680504, 40226484, 43960588, 46930898, 65940882, 70396347, 80452968, 87921176, 93861796, 124031659, 131881764, 140792694, 187723592, 248063318, 263763528, 281585388, 372094977, 496126636, 563170776, 744189954, 868221613, 992253272, 1488379908, 1736443226, 2604664839, 2976759816, 3472886452, 5209329678, 6945772904, 10418659356, 20837318712]

約数ペア:

[(1, 20837318712), (2, 10418659356), (3, 6945772904), (4, 5209329678), (6, 3472886452), (7, 2976759816), (8, 2604664839), (12, 1736443226), (14, 1488379908), (21, 992253272), (24, 868221613), (28, 744189954), (37, 563170776), (42, 496126636), (56, 372094977), (74, 281585388), (79, 263763528), (84, 248063318), (111, 187723592), (148, 140792694), (158, 131881764), (168, 124031659), (222, 93861796), (237, 87921176), (259, 80452968), (296, 70396347), (316, 65940882), (444, 46930898), (474, 43960588), (518, 40226484), (553, 37680504), (632, 32970441), (777, 26817656), (888, 23465449), (948, 21980294), (1036, 20113242), (1106, 18840252), (1554, 13408828), (1659, 12560168), (1896, 10990147), (2072, 10056621), (2212, 9420126), (2923, 7128744), (3108, 6704414), (3318, 6280084), (4424, 4710063), (5846, 3564372), (6216, 3352207), (6636, 3140042), (8769, 2376248), (11692, 1782186), (13272, 1570021), (17538, 1188124), (20461, 1018392), (23384, 891093), (35076, 594062), (40922, 509196), (42433, 491064), (61383, 339464), (70152, 297031), (81844, 254598), (84866, 245532), (122766, 169732), (127299, 163688)]