16072820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 36641808

約数和(自身を除く): 20568988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1153, 1394, 2306, 2788, 3485, 4612, 5765, 6970, 11530, 13940, 19601, 23060, 39202, 47273, 78404, 94546, 98005, 189092, 196010, 236365, 392020, 472730, 803641, 945460, 1607282, 3214564, 4018205, 8036410, 16072820]

約数ペア:

[(1, 16072820), (2, 8036410), (4, 4018205), (5, 3214564), (10, 1607282), (17, 945460), (20, 803641), (34, 472730), (41, 392020), (68, 236365), (82, 196010), (85, 189092), (164, 98005), (170, 94546), (205, 78404), (340, 47273), (410, 39202), (697, 23060), (820, 19601), (1153, 13940), (1394, 11530), (2306, 6970), (2788, 5765), (3485, 4612)]