20974944

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^2$

素因数の和:200

約数の個数: 72

約数和(自身を含む): 57185352

約数和(自身を除く): 36210408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 73, 82, 96, 123, 146, 164, 219, 246, 292, 328, 438, 492, 584, 656, 876, 984, 1168, 1312, 1752, 1968, 2336, 2993, 3504, 3936, 5329, 5986, 7008, 8979, 10658, 11972, 15987, 17958, 21316, 23944, 31974, 35916, 42632, 47888, 63948, 71832, 85264, 95776, 127896, 143664, 170528, 218489, 255792, 287328, 436978, 511584, 655467, 873956, 1310934, 1747912, 2621868, 3495824, 5243736, 6991648, 10487472, 20974944]

約数ペア:

[(1, 20974944), (2, 10487472), (3, 6991648), (4, 5243736), (6, 3495824), (8, 2621868), (12, 1747912), (16, 1310934), (24, 873956), (32, 655467), (41, 511584), (48, 436978), (73, 287328), (82, 255792), (96, 218489), (123, 170528), (146, 143664), (164, 127896), (219, 95776), (246, 85264), (292, 71832), (328, 63948), (438, 47888), (492, 42632), (584, 35916), (656, 31974), (876, 23944), (984, 21316), (1168, 17958), (1312, 15987), (1752, 11972), (1968, 10658), (2336, 8979), (2993, 7008), (3504, 5986), (3936, 5329)]