20121016988

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{541}}^1\times {\mathrm{653}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 36623633760

約数和(自身を除く): 16502616772

約数列:

[1, 2, 4, 29, 58, 116, 491, 541, 653, 982, 1082, 1306, 1964, 2164, 2612, 14239, 15689, 18937, 28478, 31378, 37874, 56956, 62756, 75748, 265631, 320623, 353273, 531262, 641246, 706546, 1062524, 1282492, 1413092, 7703299, 9298067, 10244917, 15406598, 18596134, 20489834, 30813196, 37192268, 40979668, 173457043, 346914086, 693828172, 5030254247, 10060508494, 20121016988]

約数ペア:

[(1, 20121016988), (2, 10060508494), (4, 5030254247), (29, 693828172), (58, 346914086), (116, 173457043), (491, 40979668), (541, 37192268), (653, 30813196), (982, 20489834), (1082, 18596134), (1306, 15406598), (1964, 10244917), (2164, 9298067), (2612, 7703299), (14239, 1413092), (15689, 1282492), (18937, 1062524), (28478, 706546), (31378, 641246), (37874, 531262), (56956, 353273), (62756, 320623), (75748, 265631)]