20924190

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11071}}^1$

素因数の和:11094

約数の個数: 64

約数和(自身を含む): 63774720

約数和(自身を除く): 42850530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11071, 22142, 33213, 55355, 66426, 77497, 99639, 110710, 154994, 166065, 199278, 232491, 298917, 332130, 387485, 464982, 498195, 597834, 697473, 774970, 996390, 1162455, 1394946, 1494585, 2092419, 2324910, 2989170, 3487365, 4184838, 6974730, 10462095, 20924190]

約数ペア:

[(1, 20924190), (2, 10462095), (3, 6974730), (5, 4184838), (6, 3487365), (7, 2989170), (9, 2324910), (10, 2092419), (14, 1494585), (15, 1394946), (18, 1162455), (21, 996390), (27, 774970), (30, 697473), (35, 597834), (42, 498195), (45, 464982), (54, 387485), (63, 332130), (70, 298917), (90, 232491), (105, 199278), (126, 166065), (135, 154994), (189, 110710), (210, 99639), (270, 77497), (315, 66426), (378, 55355), (630, 33213), (945, 22142), (1890, 11071)]