20064420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 45979740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 79, 83, 85, 90, 102, 153, 158, 166, 170, 180, 204, 237, 249, 255, 306, 316, 332, 340, 395, 415, 474, 498, 510, 612, 711, 747, 765, 790, 830, 948, 996, 1020, 1185, 1245, 1343, 1411, 1422, 1494, 1530, 1580, 1660, 2370, 2490, 2686, 2822, 2844, 2988, 3060, 3555, 3735, 4029, 4233, 4740, 4980, 5372, 5644, 6557, 6715, 7055, 7110, 7470, 8058, 8466, 12087, 12699, 13114, 13430, 14110, 14220, 14940, 16116, 16932, 19671, 20145, 21165, 24174, 25398, 26228, 26860, 28220, 32785, 39342, 40290, 42330, 48348, 50796, 59013, 60435, 63495, 65570, 78684, 80580, 84660, 98355, 111469, 118026, 120870, 126990, 131140, 196710, 222938, 236052, 241740, 253980, 295065, 334407, 393420, 445876, 557345, 590130, 668814, 1003221, 1114690, 1180260, 1337628, 1672035, 2006442, 2229380, 3344070, 4012884, 5016105, 6688140, 10032210, 20064420]

約数ペア:

[(1, 20064420), (2, 10032210), (3, 6688140), (4, 5016105), (5, 4012884), (6, 3344070), (9, 2229380), (10, 2006442), (12, 1672035), (15, 1337628), (17, 1180260), (18, 1114690), (20, 1003221), (30, 668814), (34, 590130), (36, 557345), (45, 445876), (51, 393420), (60, 334407), (68, 295065), (79, 253980), (83, 241740), (85, 236052), (90, 222938), (102, 196710), (153, 131140), (158, 126990), (166, 120870), (170, 118026), (180, 111469), (204, 98355), (237, 84660), (249, 80580), (255, 78684), (306, 65570), (316, 63495), (332, 60435), (340, 59013), (395, 50796), (415, 48348), (474, 42330), (498, 40290), (510, 39342), (612, 32785), (711, 28220), (747, 26860), (765, 26228), (790, 25398), (830, 24174), (948, 21165), (996, 20145), (1020, 19671), (1185, 16932), (1245, 16116), (1343, 14940), (1411, 14220), (1422, 14110), (1494, 13430), (1530, 13114), (1580, 12699), (1660, 12087), (2370, 8466), (2490, 8058), (2686, 7470), (2822, 7110), (2844, 7055), (2988, 6715), (3060, 6557), (3555, 5644), (3735, 5372), (4029, 4980), (4233, 4740)]