20177990183

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{28559}}^1$

素因数の和:28751

約数の個数: 32

約数和(自身を含む): 24182323200

約数和(自身を除く): 4004333017

約数列:

[1, 13, 17, 23, 139, 221, 299, 391, 1807, 2363, 3197, 5083, 28559, 30719, 41561, 54349, 371267, 485503, 656857, 706537, 3969701, 6311539, 8539141, 11166569, 51606113, 67484917, 91303123, 145165397, 877303921, 1186940599, 1552153091, 20177990183]

約数ペア:

[(1, 20177990183), (13, 1552153091), (17, 1186940599), (23, 877303921), (139, 145165397), (221, 91303123), (299, 67484917), (391, 51606113), (1807, 11166569), (2363, 8539141), (3197, 6311539), (5083, 3969701), (28559, 706537), (30719, 656857), (41561, 485503), (54349, 371267)]