20907552

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:610

約数の個数: 96

約数和(自身を含む): 60746112

約数和(自身を除く): 39838560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 32, 34, 46, 48, 51, 68, 69, 92, 96, 102, 136, 138, 184, 204, 272, 276, 368, 391, 408, 544, 552, 557, 736, 782, 816, 1104, 1114, 1173, 1564, 1632, 1671, 2208, 2228, 2346, 3128, 3342, 4456, 4692, 6256, 6684, 8912, 9384, 9469, 12512, 12811, 13368, 17824, 18768, 18938, 25622, 26736, 28407, 37536, 37876, 38433, 51244, 53472, 56814, 75752, 76866, 102488, 113628, 151504, 153732, 204976, 217787, 227256, 303008, 307464, 409952, 435574, 454512, 614928, 653361, 871148, 909024, 1229856, 1306722, 1742296, 2613444, 3484592, 5226888, 6969184, 10453776, 20907552]

約数ペア:

[(1, 20907552), (2, 10453776), (3, 6969184), (4, 5226888), (6, 3484592), (8, 2613444), (12, 1742296), (16, 1306722), (17, 1229856), (23, 909024), (24, 871148), (32, 653361), (34, 614928), (46, 454512), (48, 435574), (51, 409952), (68, 307464), (69, 303008), (92, 227256), (96, 217787), (102, 204976), (136, 153732), (138, 151504), (184, 113628), (204, 102488), (272, 76866), (276, 75752), (368, 56814), (391, 53472), (408, 51244), (544, 38433), (552, 37876), (557, 37536), (736, 28407), (782, 26736), (816, 25622), (1104, 18938), (1114, 18768), (1173, 17824), (1564, 13368), (1632, 12811), (1671, 12512), (2208, 9469), (2228, 9384), (2346, 8912), (3128, 6684), (3342, 6256), (4456, 4692)]