20187970515

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1\times {\mathrm{5273}}^1$

素因数の和:6004

約数の個数: 48

約数和(自身を含む): 35295717600

約数和(自身を除く): 15107747085

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 571, 745, 1341, 1713, 2235, 2855, 5139, 5273, 6705, 8565, 15819, 25695, 26365, 47457, 79095, 85079, 237285, 255237, 425395, 765711, 785677, 1276185, 2357031, 3010883, 3828555, 3928385, 7071093, 9032649, 11785155, 15054415, 27097947, 35355465, 45163245, 135489735, 448621567, 1345864701, 2243107835, 4037594103, 6729323505, 20187970515]

約数ペア:

[(1, 20187970515), (3, 6729323505), (5, 4037594103), (9, 2243107835), (15, 1345864701), (45, 448621567), (149, 135489735), (447, 45163245), (571, 35355465), (745, 27097947), (1341, 15054415), (1713, 11785155), (2235, 9032649), (2855, 7071093), (5139, 3928385), (5273, 3828555), (6705, 3010883), (8565, 2357031), (15819, 1276185), (25695, 785677), (26365, 765711), (47457, 425395), (79095, 255237), (85079, 237285)]