20138048748788

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{349}}^1\times {\mathrm{557}}^1\times {\mathrm{251443}}^1$

素因数の和:252456

約数の個数: 48

約数和(自身を含む): 35749905609600

約数和(自身を除く): 15611856860812

約数列:

[1, 2, 4, 103, 206, 349, 412, 557, 698, 1114, 1396, 2228, 35947, 57371, 71894, 114742, 143788, 194393, 229484, 251443, 388786, 502886, 777572, 1005772, 20022479, 25898629, 40044958, 51797258, 80089916, 87753607, 103594516, 140053751, 175507214, 280107502, 351014428, 560215004, 9038621521, 14425536353, 18077243042, 28851072706, 36154486084, 48878759099, 57702145412, 97757518198, 195515036396, 5034512187197, 10069024374394, 20138048748788]

約数ペア:

[(1, 20138048748788), (2, 10069024374394), (4, 5034512187197), (103, 195515036396), (206, 97757518198), (349, 57702145412), (412, 48878759099), (557, 36154486084), (698, 28851072706), (1114, 18077243042), (1396, 14425536353), (2228, 9038621521), (35947, 560215004), (57371, 351014428), (71894, 280107502), (114742, 175507214), (143788, 140053751), (194393, 103594516), (229484, 87753607), (251443, 80089916), (388786, 51797258), (502886, 40044958), (777572, 25898629), (1005772, 20022479)]