20508732

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 60383232

約数和(自身を除く): 39874500

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 31, 34, 36, 46, 47, 51, 62, 68, 69, 92, 93, 94, 102, 124, 138, 141, 153, 186, 188, 204, 207, 276, 279, 282, 306, 372, 391, 414, 423, 527, 558, 564, 612, 713, 782, 799, 828, 846, 1054, 1081, 1116, 1173, 1426, 1457, 1564, 1581, 1598, 1692, 2108, 2139, 2162, 2346, 2397, 2852, 2914, 3162, 3196, 3243, 3519, 4278, 4324, 4371, 4692, 4743, 4794, 5828, 6324, 6417, 6486, 7038, 7191, 8556, 8742, 9486, 9588, 9729, 12121, 12834, 12972, 13113, 14076, 14382, 17484, 18377, 18972, 19458, 24242, 24769, 25668, 26226, 28764, 33511, 36363, 36754, 38916, 48484, 49538, 52452, 55131, 67022, 72726, 73508, 74307, 99076, 100533, 109089, 110262, 134044, 145452, 148614, 165393, 201066, 218178, 220524, 222921, 297228, 301599, 330786, 402132, 436356, 445842, 569687, 603198, 661572, 891684, 1139374, 1206396, 1709061, 2278748, 3418122, 5127183, 6836244, 10254366, 20508732]

約数ペア:

[(1, 20508732), (2, 10254366), (3, 6836244), (4, 5127183), (6, 3418122), (9, 2278748), (12, 1709061), (17, 1206396), (18, 1139374), (23, 891684), (31, 661572), (34, 603198), (36, 569687), (46, 445842), (47, 436356), (51, 402132), (62, 330786), (68, 301599), (69, 297228), (92, 222921), (93, 220524), (94, 218178), (102, 201066), (124, 165393), (138, 148614), (141, 145452), (153, 134044), (186, 110262), (188, 109089), (204, 100533), (207, 99076), (276, 74307), (279, 73508), (282, 72726), (306, 67022), (372, 55131), (391, 52452), (414, 49538), (423, 48484), (527, 38916), (558, 36754), (564, 36363), (612, 33511), (713, 28764), (782, 26226), (799, 25668), (828, 24769), (846, 24242), (1054, 19458), (1081, 18972), (1116, 18377), (1173, 17484), (1426, 14382), (1457, 14076), (1564, 13113), (1581, 12972), (1598, 12834), (1692, 12121), (2108, 9729), (2139, 9588), (2162, 9486), (2346, 8742), (2397, 8556), (2852, 7191), (2914, 7038), (3162, 6486), (3196, 6417), (3243, 6324), (3519, 5828), (4278, 4794), (4324, 4743), (4371, 4692)]