20544768

素因数分解:

$2^8\times 3^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 108

約数和(自身を含む): 61089028

約数和(自身を除く): 40544260

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 128, 144, 148, 192, 222, 241, 256, 288, 296, 333, 384, 444, 482, 576, 592, 666, 723, 768, 888, 964, 1152, 1184, 1332, 1446, 1776, 1928, 2169, 2304, 2368, 2664, 2892, 3552, 3856, 4338, 4736, 5328, 5784, 7104, 7712, 8676, 8917, 9472, 10656, 11568, 14208, 15424, 17352, 17834, 21312, 23136, 26751, 28416, 30848, 34704, 35668, 42624, 46272, 53502, 61696, 69408, 71336, 80253, 85248, 92544, 107004, 138816, 142672, 160506, 185088, 214008, 277632, 285344, 321012, 428016, 555264, 570688, 642024, 856032, 1141376, 1284048, 1712064, 2282752, 2568096, 3424128, 5136192, 6848256, 10272384, 20544768]

約数ペア:

[(1, 20544768), (2, 10272384), (3, 6848256), (4, 5136192), (6, 3424128), (8, 2568096), (9, 2282752), (12, 1712064), (16, 1284048), (18, 1141376), (24, 856032), (32, 642024), (36, 570688), (37, 555264), (48, 428016), (64, 321012), (72, 285344), (74, 277632), (96, 214008), (111, 185088), (128, 160506), (144, 142672), (148, 138816), (192, 107004), (222, 92544), (241, 85248), (256, 80253), (288, 71336), (296, 69408), (333, 61696), (384, 53502), (444, 46272), (482, 42624), (576, 35668), (592, 34704), (666, 30848), (723, 28416), (768, 26751), (888, 23136), (964, 21312), (1152, 17834), (1184, 17352), (1332, 15424), (1446, 14208), (1776, 11568), (1928, 10656), (2169, 9472), (2304, 8917), (2368, 8676), (2664, 7712), (2892, 7104), (3552, 5784), (3856, 5328), (4338, 4736)]