20289702976

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{3257}}^1$

素因数の和:3444

約数の個数: 112

約数和(自身を含む): 43693689600

約数和(自身を除く): 23403986624

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 109, 152, 188, 218, 304, 376, 436, 608, 752, 872, 893, 1216, 1504, 1744, 1786, 2071, 3008, 3257, 3488, 3572, 4142, 5123, 6514, 6976, 7144, 8284, 10246, 13028, 14288, 16568, 20492, 26056, 28576, 33136, 40984, 52112, 57152, 61883, 66272, 81968, 97337, 104224, 123766, 132544, 153079, 163936, 194674, 208448, 247532, 306158, 327872, 355013, 389348, 495064, 612316, 710026, 778696, 990128, 1224632, 1420052, 1557392, 1980256, 2449264, 2840104, 2908501, 3114784, 3960512, 4898528, 5680208, 5817002, 6229568, 6745247, 9797056, 11360416, 11634004, 13490494, 16685611, 22720832, 23268008, 26980988, 33371222, 46536016, 53961976, 66742444, 93072032, 107923952, 133484888, 186144064, 215847904, 266969776, 317026609, 431695808, 533939552, 634053218, 1067879104, 1268106436, 2536212872, 5072425744, 10144851488, 20289702976]

約数ペア:

[(1, 20289702976), (2, 10144851488), (4, 5072425744), (8, 2536212872), (16, 1268106436), (19, 1067879104), (32, 634053218), (38, 533939552), (47, 431695808), (64, 317026609), (76, 266969776), (94, 215847904), (109, 186144064), (152, 133484888), (188, 107923952), (218, 93072032), (304, 66742444), (376, 53961976), (436, 46536016), (608, 33371222), (752, 26980988), (872, 23268008), (893, 22720832), (1216, 16685611), (1504, 13490494), (1744, 11634004), (1786, 11360416), (2071, 9797056), (3008, 6745247), (3257, 6229568), (3488, 5817002), (3572, 5680208), (4142, 4898528), (5123, 3960512), (6514, 3114784), (6976, 2908501), (7144, 2840104), (8284, 2449264), (10246, 1980256), (13028, 1557392), (14288, 1420052), (16568, 1224632), (20492, 990128), (26056, 778696), (28576, 710026), (33136, 612316), (40984, 495064), (52112, 389348), (57152, 355013), (61883, 327872), (66272, 306158), (81968, 247532), (97337, 208448), (104224, 194674), (123766, 163936), (132544, 153079)]