20888172

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:428

約数の個数: 96

約数和(自身を含む): 59351040

約数和(自身を除く): 38462868

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 31, 34, 36, 51, 54, 62, 68, 93, 102, 108, 124, 153, 186, 204, 279, 306, 367, 372, 459, 527, 558, 612, 734, 837, 918, 1054, 1101, 1116, 1468, 1581, 1674, 1836, 2108, 2202, 3162, 3303, 3348, 4404, 4743, 6239, 6324, 6606, 9486, 9909, 11377, 12478, 13212, 14229, 18717, 18972, 19818, 22754, 24956, 28458, 34131, 37434, 39636, 45508, 56151, 56916, 68262, 74868, 102393, 112302, 136524, 168453, 193409, 204786, 224604, 307179, 336906, 386818, 409572, 580227, 614358, 673812, 773636, 1160454, 1228716, 1740681, 2320908, 3481362, 5222043, 6962724, 10444086, 20888172]

約数ペア:

[(1, 20888172), (2, 10444086), (3, 6962724), (4, 5222043), (6, 3481362), (9, 2320908), (12, 1740681), (17, 1228716), (18, 1160454), (27, 773636), (31, 673812), (34, 614358), (36, 580227), (51, 409572), (54, 386818), (62, 336906), (68, 307179), (93, 224604), (102, 204786), (108, 193409), (124, 168453), (153, 136524), (186, 112302), (204, 102393), (279, 74868), (306, 68262), (367, 56916), (372, 56151), (459, 45508), (527, 39636), (558, 37434), (612, 34131), (734, 28458), (837, 24956), (918, 22754), (1054, 19818), (1101, 18972), (1116, 18717), (1468, 14229), (1581, 13212), (1674, 12478), (1836, 11377), (2108, 9909), (2202, 9486), (3162, 6606), (3303, 6324), (3348, 6239), (4404, 4743)]