20243790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10711}}^1$

素因数の和:10734

約数の個数: 64

約数和(自身を含む): 61701120

約数和(自身を除く): 41457330

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, 10711, 21422, 32133, 53555, 64266, 74977, 96399, 107110, 149954, 160665, 192798, 224931, 289197, 321330, 374885, 449862, 481995, 578394, 674793, 749770, 963990, 1124655, 1349586, 1445985, 2024379, 2249310, 2891970, 3373965, 4048758, 6747930, 10121895, 20243790]

約数ペア:

[(1, 20243790), (2, 10121895), (3, 6747930), (5, 4048758), (6, 3373965), (7, 2891970), (9, 2249310), (10, 2024379), (14, 1445985), (15, 1349586), (18, 1124655), (21, 963990), (27, 749770), (30, 674793), (35, 578394), (42, 481995), (45, 449862), (54, 374885), (63, 321330), (70, 289197), (90, 224931), (105, 192798), (126, 160665), (135, 149954), (189, 107110), (210, 96399), (270, 74977), (315, 64266), (378, 53555), (630, 32133), (945, 21422), (1890, 10711)]