20516130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 56233008

約数和(自身を除く): 35716878

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 61, 74, 90, 101, 111, 122, 183, 185, 202, 222, 303, 305, 333, 366, 370, 505, 549, 555, 606, 610, 666, 909, 915, 1010, 1098, 1110, 1515, 1665, 1818, 1830, 2257, 2745, 3030, 3330, 3737, 4514, 4545, 5490, 6161, 6771, 7474, 9090, 11211, 11285, 12322, 13542, 18483, 18685, 20313, 22422, 22570, 30805, 33633, 33855, 36966, 37370, 40626, 55449, 56055, 61610, 67266, 67710, 92415, 101565, 110898, 112110, 168165, 184830, 203130, 227957, 277245, 336330, 455914, 554490, 683871, 1139785, 1367742, 2051613, 2279570, 3419355, 4103226, 6838710, 10258065, 20516130]

約数ペア:

[(1, 20516130), (2, 10258065), (3, 6838710), (5, 4103226), (6, 3419355), (9, 2279570), (10, 2051613), (15, 1367742), (18, 1139785), (30, 683871), (37, 554490), (45, 455914), (61, 336330), (74, 277245), (90, 227957), (101, 203130), (111, 184830), (122, 168165), (183, 112110), (185, 110898), (202, 101565), (222, 92415), (303, 67710), (305, 67266), (333, 61610), (366, 56055), (370, 55449), (505, 40626), (549, 37370), (555, 36966), (606, 33855), (610, 33633), (666, 30805), (909, 22570), (915, 22422), (1010, 20313), (1098, 18685), (1110, 18483), (1515, 13542), (1665, 12322), (1818, 11285), (1830, 11211), (2257, 9090), (2745, 7474), (3030, 6771), (3330, 6161), (3737, 5490), (4514, 4545)]