20990018304

素因数分解:

$2^8\times 3^2\times {\mathrm{37}}^1\times {\mathrm{246223}}^1$

素因数の和:246282

約数の個数: 108

約数和(自身を含む): 62155309216

約数和(自身を除く): 41165290912

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, 256, 288, 296, 333, 384, 444, 576, 592, 666, 768, 888, 1152, 1184, 1332, 1776, 2304, 2368, 2664, 3552, 4736, 5328, 7104, 9472, 10656, 14208, 21312, 28416, 42624, 85248, 246223, 492446, 738669, 984892, 1477338, 1969784, 2216007, 2954676, 3939568, 4432014, 5909352, 7879136, 8864028, 9110251, 11818704, 15758272, 17728056, 18220502, 23637408, 27330753, 31516544, 35456112, 36441004, 47274816, 54661506, 63033088, 70912224, 72882008, 81992259, 94549632, 109323012, 141824448, 145764016, 163984518, 189099264, 218646024, 283648896, 291528032, 327969036, 437292048, 567297792, 583056064, 655938072, 874584096, 1166112128, 1311876144, 1749168192, 2332224256, 2623752288, 3498336384, 5247504576, 6996672768, 10495009152, 20990018304]

約数ペア:

[(1, 20990018304), (2, 10495009152), (3, 6996672768), (4, 5247504576), (6, 3498336384), (8, 2623752288), (9, 2332224256), (12, 1749168192), (16, 1311876144), (18, 1166112128), (24, 874584096), (32, 655938072), (36, 583056064), (37, 567297792), (48, 437292048), (64, 327969036), (72, 291528032), (74, 283648896), (96, 218646024), (111, 189099264), (128, 163984518), (144, 145764016), (148, 141824448), (192, 109323012), (222, 94549632), (256, 81992259), (288, 72882008), (296, 70912224), (333, 63033088), (384, 54661506), (444, 47274816), (576, 36441004), (592, 35456112), (666, 31516544), (768, 27330753), (888, 23637408), (1152, 18220502), (1184, 17728056), (1332, 15758272), (1776, 11818704), (2304, 9110251), (2368, 8864028), (2664, 7879136), (3552, 5909352), (4736, 4432014), (5328, 3939568), (7104, 2954676), (9472, 2216007), (10656, 1969784), (14208, 1477338), (21312, 984892), (28416, 738669), (42624, 492446), (85248, 246223)]