20488152064

素因数分解:

$2^{10}\times {\mathrm{127}}^1\times {\mathrm{157543}}^1$

素因数の和:157690

約数の個数: 44

約数和(自身を含む): 41279048704

約数和(自身を除く): 20790896640

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 1016, 1024, 2032, 4064, 8128, 16256, 32512, 65024, 130048, 157543, 315086, 630172, 1260344, 2520688, 5041376, 10082752, 20007961, 20165504, 40015922, 40331008, 80031844, 80662016, 160063688, 161324032, 320127376, 640254752, 1280509504, 2561019008, 5122038016, 10244076032, 20488152064]

約数ペア:

[(1, 20488152064), (2, 10244076032), (4, 5122038016), (8, 2561019008), (16, 1280509504), (32, 640254752), (64, 320127376), (127, 161324032), (128, 160063688), (254, 80662016), (256, 80031844), (508, 40331008), (512, 40015922), (1016, 20165504), (1024, 20007961), (2032, 10082752), (4064, 5041376), (8128, 2520688), (16256, 1260344), (32512, 630172), (65024, 315086), (130048, 157543)]