20121479160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7290391}}^1$

素因数の和:7290428

約数の個数: 64

約数和(自身を含む): 62988986880

約数和(自身を除く): 42867507720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7290391, 14580782, 21871173, 29161564, 36451955, 43742346, 58323128, 72903910, 87484692, 109355865, 145807820, 167678993, 174969384, 218711730, 291615640, 335357986, 437423460, 503036979, 670715972, 838394965, 874846920, 1006073958, 1341431944, 1676789930, 2012147916, 2515184895, 3353579860, 4024295832, 5030369790, 6707159720, 10060739580, 20121479160]

約数ペア:

[(1, 20121479160), (2, 10060739580), (3, 6707159720), (4, 5030369790), (5, 4024295832), (6, 3353579860), (8, 2515184895), (10, 2012147916), (12, 1676789930), (15, 1341431944), (20, 1006073958), (23, 874846920), (24, 838394965), (30, 670715972), (40, 503036979), (46, 437423460), (60, 335357986), (69, 291615640), (92, 218711730), (115, 174969384), (120, 167678993), (138, 145807820), (184, 109355865), (230, 87484692), (276, 72903910), (345, 58323128), (460, 43742346), (552, 36451955), (690, 29161564), (920, 21871173), (1380, 14580782), (2760, 7290391)]