20798148

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 58777600

約数和(自身を除く): 37979452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 163, 186, 196, 217, 294, 326, 343, 372, 434, 489, 588, 651, 652, 686, 868, 978, 1029, 1141, 1302, 1372, 1519, 1956, 2058, 2282, 2604, 3038, 3423, 4116, 4557, 4564, 5053, 6076, 6846, 7987, 9114, 10106, 10633, 13692, 15159, 15974, 18228, 20212, 21266, 23961, 30318, 31899, 31948, 35371, 42532, 47922, 55909, 60636, 63798, 70742, 95844, 106113, 111818, 127596, 141484, 167727, 212226, 223636, 247597, 335454, 424452, 495194, 670908, 742791, 990388, 1485582, 1733179, 2971164, 3466358, 5199537, 6932716, 10399074, 20798148]

約数ペア:

[(1, 20798148), (2, 10399074), (3, 6932716), (4, 5199537), (6, 3466358), (7, 2971164), (12, 1733179), (14, 1485582), (21, 990388), (28, 742791), (31, 670908), (42, 495194), (49, 424452), (62, 335454), (84, 247597), (93, 223636), (98, 212226), (124, 167727), (147, 141484), (163, 127596), (186, 111818), (196, 106113), (217, 95844), (294, 70742), (326, 63798), (343, 60636), (372, 55909), (434, 47922), (489, 42532), (588, 35371), (651, 31948), (652, 31899), (686, 30318), (868, 23961), (978, 21266), (1029, 20212), (1141, 18228), (1302, 15974), (1372, 15159), (1519, 13692), (1956, 10633), (2058, 10106), (2282, 9114), (2604, 7987), (3038, 6846), (3423, 6076), (4116, 5053), (4557, 4564)]