20403934064

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{3889}}^1$

素因数の和:4242

約数の個数: 80

約数和(自身を含む): 42196852800

約数和(自身を除く): 21792918736

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 269, 368, 424, 538, 848, 1076, 1219, 2152, 2438, 3889, 4304, 4876, 6187, 7778, 9752, 12374, 14257, 15556, 19504, 24748, 28514, 31112, 49496, 57028, 62224, 89447, 98992, 114056, 178894, 206117, 228112, 327911, 357788, 412234, 655822, 715576, 824468, 1046141, 1311644, 1431152, 1648936, 2092282, 2623288, 3297872, 4184564, 4740691, 5246576, 8369128, 9481382, 16738256, 18962764, 24061243, 37925528, 48122486, 55445473, 75851056, 96244972, 110890946, 192489944, 221781892, 384979888, 443563784, 887127568, 1275245879, 2550491758, 5100983516, 10201967032, 20403934064]

約数ペア:

[(1, 20403934064), (2, 10201967032), (4, 5100983516), (8, 2550491758), (16, 1275245879), (23, 887127568), (46, 443563784), (53, 384979888), (92, 221781892), (106, 192489944), (184, 110890946), (212, 96244972), (269, 75851056), (368, 55445473), (424, 48122486), (538, 37925528), (848, 24061243), (1076, 18962764), (1219, 16738256), (2152, 9481382), (2438, 8369128), (3889, 5246576), (4304, 4740691), (4876, 4184564), (6187, 3297872), (7778, 2623288), (9752, 2092282), (12374, 1648936), (14257, 1431152), (15556, 1311644), (19504, 1046141), (24748, 824468), (28514, 715576), (31112, 655822), (49496, 412234), (57028, 357788), (62224, 327911), (89447, 228112), (98992, 206117), (114056, 178894)]