20161609996

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:1028

約数の個数: 96

約数和(自身を含む): 40375480320

約数和(自身を除く): 20213870324

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 151, 242, 302, 341, 484, 604, 682, 809, 1331, 1364, 1618, 1661, 2662, 3236, 3322, 3751, 4681, 5324, 6644, 7502, 8899, 9362, 15004, 17798, 18271, 18724, 25079, 35596, 36542, 41261, 50158, 51491, 73084, 82522, 97889, 100316, 102982, 122159, 165044, 195778, 200981, 205964, 244318, 275869, 391556, 401962, 488636, 551738, 566401, 803924, 1076779, 1103476, 1132802, 1343749, 2153558, 2265604, 2687498, 3034559, 3786929, 4307116, 5374996, 6069118, 6230411, 7573858, 12138236, 12460822, 14781239, 15147716, 24921644, 29562478, 33380149, 41656219, 59124956, 66760298, 83312438, 133520596, 162593629, 166624876, 325187258, 458218409, 650374516, 916436818, 1832873636, 5040402499, 10080804998, 20161609996]

約数ペア:

[(1, 20161609996), (2, 10080804998), (4, 5040402499), (11, 1832873636), (22, 916436818), (31, 650374516), (44, 458218409), (62, 325187258), (121, 166624876), (124, 162593629), (151, 133520596), (242, 83312438), (302, 66760298), (341, 59124956), (484, 41656219), (604, 33380149), (682, 29562478), (809, 24921644), (1331, 15147716), (1364, 14781239), (1618, 12460822), (1661, 12138236), (2662, 7573858), (3236, 6230411), (3322, 6069118), (3751, 5374996), (4681, 4307116), (5324, 3786929), (6644, 3034559), (7502, 2687498), (8899, 2265604), (9362, 2153558), (15004, 1343749), (17798, 1132802), (18271, 1103476), (18724, 1076779), (25079, 803924), (35596, 566401), (36542, 551738), (41261, 488636), (50158, 401962), (51491, 391556), (73084, 275869), (82522, 244318), (97889, 205964), (100316, 200981), (102982, 195778), (122159, 165044)]