20174770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 48755520

約数和(自身を除く): 28580750

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 49, 55, 70, 77, 95, 98, 110, 133, 154, 190, 197, 209, 245, 266, 385, 394, 418, 490, 539, 665, 770, 931, 985, 1045, 1078, 1330, 1379, 1463, 1862, 1970, 2090, 2167, 2695, 2758, 2926, 3743, 4334, 4655, 5390, 6895, 7315, 7486, 9310, 9653, 10241, 10835, 13790, 14630, 15169, 18715, 19306, 20482, 21670, 26201, 30338, 37430, 41173, 48265, 51205, 52402, 75845, 82346, 96530, 102410, 106183, 131005, 151690, 183407, 205865, 212366, 262010, 288211, 366814, 411730, 530915, 576422, 917035, 1061830, 1441055, 1834070, 2017477, 2882110, 4034954, 10087385, 20174770]

約数ペア:

[(1, 20174770), (2, 10087385), (5, 4034954), (7, 2882110), (10, 2017477), (11, 1834070), (14, 1441055), (19, 1061830), (22, 917035), (35, 576422), (38, 530915), (49, 411730), (55, 366814), (70, 288211), (77, 262010), (95, 212366), (98, 205865), (110, 183407), (133, 151690), (154, 131005), (190, 106183), (197, 102410), (209, 96530), (245, 82346), (266, 75845), (385, 52402), (394, 51205), (418, 48265), (490, 41173), (539, 37430), (665, 30338), (770, 26201), (931, 21670), (985, 20482), (1045, 19306), (1078, 18715), (1330, 15169), (1379, 14630), (1463, 13790), (1862, 10835), (1970, 10241), (2090, 9653), (2167, 9310), (2695, 7486), (2758, 7315), (2926, 6895), (3743, 5390), (4334, 4655)]