20212554472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{683}}^1$

素因数の和:947

約数の個数: 128

約数和(自身を含む): 43510608000

約数和(自身を除く): 23298053528

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 61, 74, 88, 122, 148, 149, 244, 296, 298, 407, 488, 596, 671, 683, 814, 1192, 1342, 1366, 1628, 1639, 2257, 2684, 2732, 3256, 3278, 4514, 5368, 5464, 5513, 6556, 7513, 9028, 9089, 11026, 13112, 15026, 18056, 18178, 22052, 24827, 25271, 30052, 36356, 41663, 44104, 49654, 50542, 60104, 60643, 72712, 83326, 99308, 99979, 101084, 101767, 121286, 166652, 198616, 199958, 202168, 203534, 242572, 277981, 333304, 336293, 399916, 407068, 458293, 485144, 555962, 672586, 799832, 814136, 916586, 1111924, 1119437, 1345172, 1541531, 1833172, 2223848, 2238874, 2690344, 3083062, 3666344, 3699223, 3765379, 4477748, 6166124, 6207787, 7398446, 7530758, 8955496, 12332248, 12415574, 14796892, 15061516, 16956841, 24831148, 29593784, 30123032, 33913682, 41419169, 49662296, 67827364, 68285657, 82838338, 135654728, 136571314, 165676676, 229688119, 273142628, 331353352, 459376238, 546285256, 918752476, 1837504952, 2526569309, 5053138618, 10106277236, 20212554472]

約数ペア:

[(1, 20212554472), (2, 10106277236), (4, 5053138618), (8, 2526569309), (11, 1837504952), (22, 918752476), (37, 546285256), (44, 459376238), (61, 331353352), (74, 273142628), (88, 229688119), (122, 165676676), (148, 136571314), (149, 135654728), (244, 82838338), (296, 68285657), (298, 67827364), (407, 49662296), (488, 41419169), (596, 33913682), (671, 30123032), (683, 29593784), (814, 24831148), (1192, 16956841), (1342, 15061516), (1366, 14796892), (1628, 12415574), (1639, 12332248), (2257, 8955496), (2684, 7530758), (2732, 7398446), (3256, 6207787), (3278, 6166124), (4514, 4477748), (5368, 3765379), (5464, 3699223), (5513, 3666344), (6556, 3083062), (7513, 2690344), (9028, 2238874), (9089, 2223848), (11026, 1833172), (13112, 1541531), (15026, 1345172), (18056, 1119437), (18178, 1111924), (22052, 916586), (24827, 814136), (25271, 799832), (30052, 672586), (36356, 555962), (41663, 485144), (44104, 458293), (49654, 407068), (50542, 399916), (60104, 336293), (60643, 333304), (72712, 277981), (83326, 242572), (99308, 203534), (99979, 202168), (101084, 199958), (101767, 198616), (121286, 166652)]