20565408

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 57153600

約数和(自身を除く): 36588192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 83, 87, 89, 96, 116, 166, 174, 178, 232, 249, 267, 332, 348, 356, 464, 498, 534, 664, 696, 712, 928, 996, 1068, 1328, 1392, 1424, 1992, 2136, 2407, 2581, 2656, 2784, 2848, 3984, 4272, 4814, 5162, 7221, 7387, 7743, 7968, 8544, 9628, 10324, 14442, 14774, 15486, 19256, 20648, 22161, 28884, 29548, 30972, 38512, 41296, 44322, 57768, 59096, 61944, 77024, 82592, 88644, 115536, 118192, 123888, 177288, 214223, 231072, 236384, 247776, 354576, 428446, 642669, 709152, 856892, 1285338, 1713784, 2570676, 3427568, 5141352, 6855136, 10282704, 20565408]

約数ペア:

[(1, 20565408), (2, 10282704), (3, 6855136), (4, 5141352), (6, 3427568), (8, 2570676), (12, 1713784), (16, 1285338), (24, 856892), (29, 709152), (32, 642669), (48, 428446), (58, 354576), (83, 247776), (87, 236384), (89, 231072), (96, 214223), (116, 177288), (166, 123888), (174, 118192), (178, 115536), (232, 88644), (249, 82592), (267, 77024), (332, 61944), (348, 59096), (356, 57768), (464, 44322), (498, 41296), (534, 38512), (664, 30972), (696, 29548), (712, 28884), (928, 22161), (996, 20648), (1068, 19256), (1328, 15486), (1392, 14774), (1424, 14442), (1992, 10324), (2136, 9628), (2407, 8544), (2581, 7968), (2656, 7743), (2784, 7387), (2848, 7221), (3984, 5162), (4272, 4814)]