20871082368

素因数分解:

$2^7\times 3^2\times {\mathrm{571}}^1\times {\mathrm{31729}}^1$

素因数の和:32320

約数の個数: 96

約数和(自身を含む): 60165791400

約数和(自身を除く): 39294709032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 571, 576, 1142, 1152, 1713, 2284, 3426, 4568, 5139, 6852, 9136, 10278, 13704, 18272, 20556, 27408, 31729, 36544, 41112, 54816, 63458, 73088, 82224, 95187, 109632, 126916, 164448, 190374, 219264, 253832, 285561, 328896, 380748, 507664, 571122, 657792, 761496, 1015328, 1142244, 1522992, 2030656, 2284488, 3045984, 4061312, 4568976, 6091968, 9137952, 12183936, 18117259, 18275904, 36234518, 36551808, 54351777, 72469036, 108703554, 144938072, 163055331, 217407108, 289876144, 326110662, 434814216, 579752288, 652221324, 869628432, 1159504576, 1304442648, 1739256864, 2319009152, 2608885296, 3478513728, 5217770592, 6957027456, 10435541184, 20871082368]

約数ペア:

[(1, 20871082368), (2, 10435541184), (3, 6957027456), (4, 5217770592), (6, 3478513728), (8, 2608885296), (9, 2319009152), (12, 1739256864), (16, 1304442648), (18, 1159504576), (24, 869628432), (32, 652221324), (36, 579752288), (48, 434814216), (64, 326110662), (72, 289876144), (96, 217407108), (128, 163055331), (144, 144938072), (192, 108703554), (288, 72469036), (384, 54351777), (571, 36551808), (576, 36234518), (1142, 18275904), (1152, 18117259), (1713, 12183936), (2284, 9137952), (3426, 6091968), (4568, 4568976), (5139, 4061312), (6852, 3045984), (9136, 2284488), (10278, 2030656), (13704, 1522992), (18272, 1142244), (20556, 1015328), (27408, 761496), (31729, 657792), (36544, 571122), (41112, 507664), (54816, 380748), (63458, 328896), (73088, 285561), (82224, 253832), (95187, 219264), (109632, 190374), (126916, 164448)]