20963264

素因数分解:

$2^6\times 7^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:733

約数の個数: 56

約数和(自身を含む): 48268128

約数和(自身を除く): 27304864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 146, 224, 292, 448, 511, 584, 641, 1022, 1168, 1282, 2044, 2336, 2564, 4088, 4487, 4672, 5128, 8176, 8974, 10256, 16352, 17948, 20512, 32704, 35896, 41024, 46793, 71792, 93586, 143584, 187172, 287168, 327551, 374344, 655102, 748688, 1310204, 1497376, 2620408, 2994752, 5240816, 10481632, 20963264]

約数ペア:

[(1, 20963264), (2, 10481632), (4, 5240816), (7, 2994752), (8, 2620408), (14, 1497376), (16, 1310204), (28, 748688), (32, 655102), (56, 374344), (64, 327551), (73, 287168), (112, 187172), (146, 143584), (224, 93586), (292, 71792), (448, 46793), (511, 41024), (584, 35896), (641, 32704), (1022, 20512), (1168, 17948), (1282, 16352), (2044, 10256), (2336, 8974), (2564, 8176), (4088, 5128), (4487, 4672)]